mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-16 11:30:51 +00:00
1285b3130b
Summary: This bug caused SingleSource/Regression/C/uint64_to_float and SingleSource/UnitTests/2002-05-02-CastTest3 to fail (among others). Differential Revision: http://reviews.llvm.org/D4388 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@212608 91177308-0d34-0410-b5e6-96231b3b80d8
707 lines
24 KiB
LLVM
707 lines
24 KiB
LLVM
; RUN: llc -march=mips -mcpu=mips32 < %s | FileCheck %s -check-prefix=ALL -check-prefix=32-CMOV
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; RUN: llc -march=mips -mcpu=mips32 -regalloc=basic < %s | FileCheck %s -check-prefix=ALL -check-prefix=32-CMOV
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; RUN: llc -march=mips -mcpu=mips32r2 < %s | FileCheck %s -check-prefix=ALL -check-prefix=32-CMOV
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; RUN: llc -march=mips -mcpu=mips32r6 < %s | FileCheck %s -check-prefix=ALL -check-prefix=32-CMP
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; RUN: llc -march=mips64el -mcpu=mips4 < %s | FileCheck %s -check-prefix=ALL -check-prefix=64-CMOV
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; RUN: llc -march=mips64el -mcpu=mips64 < %s | FileCheck %s -check-prefix=ALL -check-prefix=64-CMOV
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; RUN: llc -march=mips64el -mcpu=mips64r6 < %s | FileCheck %s -check-prefix=ALL -check-prefix=64-CMP
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@i1 = global [3 x i32] [i32 1, i32 2, i32 3], align 4
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@i3 = common global i32* null, align 4
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; ALL-LABEL: cmov1:
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; 32-CMOV-DAG: lw $[[R0:[0-9]+]], %got(i3)
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; 32-CMOV-DAG: addiu $[[R1:[0-9]+]], ${{[0-9]+}}, %got(i1)
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; 32-CMOV-DAG: movn $[[R0]], $[[R1]], $4
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; 32-CMOV-DAG: lw $2, 0($[[R0]])
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; 32-CMP-DAG: lw $[[R0:[0-9]+]], %got(i3)
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; 32-CMP-DAG: addiu $[[R1:[0-9]+]], ${{[0-9]+}}, %got(i1)
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; 32-CMP-DAG: selnez $[[T0:[0-9]+]], $[[R1]], $4
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; 32-CMP-DAG: seleqz $[[T1:[0-9]+]], $[[R0]], $4
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; 32-CMP-DAG: or $[[T2:[0-9]+]], $[[T0]], $[[T1]]
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; 32-CMP-DAG: lw $2, 0($[[T2]])
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; 64-CMOV-DAG: ldr $[[R0:[0-9]+]]
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; 64-CMOV-DAG: ld $[[R1:[0-9]+]], %got_disp(i1)
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; 64-CMOV-DAG: movn $[[R0]], $[[R1]], $4
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; 64-CMP-DAG: ld $[[R0:[0-9]+]], %got_disp(i3)(
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; 64-CMP-DAG: daddiu $[[R1:[0-9]+]], ${{[0-9]+}}, %got_disp(i1)
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; FIXME: This sll works around an implementation detail in the code generator
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; (setcc's result is i32 so bits 32-63 are undefined). It's not really
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; needed.
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; 64-CMP-DAG: sll $[[CC:[0-9]+]], $4, 0
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; 64-CMP-DAG: selnez $[[T0:[0-9]+]], $[[R1]], $[[CC]]
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; 64-CMP-DAG: seleqz $[[T1:[0-9]+]], $[[R0]], $[[CC]]
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; 64-CMP-DAG: or $[[T2:[0-9]+]], $[[T0]], $[[T1]]
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; 64-CMP-DAG: ld $2, 0($[[T2]])
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define i32* @cmov1(i32 %s) nounwind readonly {
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entry:
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%tobool = icmp ne i32 %s, 0
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%tmp1 = load i32** @i3, align 4
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%cond = select i1 %tobool, i32* getelementptr inbounds ([3 x i32]* @i1, i32 0, i32 0), i32* %tmp1
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ret i32* %cond
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}
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@c = global i32 1, align 4
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@d = global i32 0, align 4
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; ALL-LABEL: cmov2:
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; 32-CMOV-DAG: addiu $[[R1:[0-9]+]], ${{[0-9]+}}, %got(d)
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; 32-CMOV-DAG: addiu $[[R0:[0-9]+]], ${{[0-9]+}}, %got(c)
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; 32-CMOV-DAG: movn $[[R1]], $[[R0]], $4
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; 32-CMOV-DAG: lw $2, 0($[[R0]])
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; 32-CMP-DAG: addiu $[[R1:[0-9]+]], ${{[0-9]+}}, %got(d)
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; 32-CMP-DAG: addiu $[[R0:[0-9]+]], ${{[0-9]+}}, %got(c)
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; 32-CMP-DAG: selnez $[[T0:[0-9]+]], $[[R0]], $4
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; 32-CMP-DAG: seleqz $[[T1:[0-9]+]], $[[R1]], $4
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; 32-CMP-DAG: or $[[T2:[0-9]+]], $[[T0]], $[[T1]]
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; 32-CMP-DAG: lw $2, 0($[[T2]])
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; 64-CMOV: daddiu $[[R1:[0-9]+]], ${{[0-9]+}}, %got_disp(d)
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; 64-CMOV: daddiu $[[R0:[0-9]+]], ${{[0-9]+}}, %got_disp(c)
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; 64-CMOV: movn $[[R1]], $[[R0]], $4
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; 64-CMP-DAG: daddiu $[[R1:[0-9]+]], ${{[0-9]+}}, %got_disp(d)
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; 64-CMP-DAG: daddiu $[[R0:[0-9]+]], ${{[0-9]+}}, %got_disp(c)
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; FIXME: This sll works around an implementation detail in the code generator
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; (setcc's result is i32 so bits 32-63 are undefined). It's not really
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; needed.
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; 64-CMP-DAG: sll $[[CC:[0-9]+]], $4, 0
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; 64-CMP-DAG: selnez $[[T0:[0-9]+]], $[[R0]], $[[CC]]
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; 64-CMP-DAG: seleqz $[[T1:[0-9]+]], $[[R1]], $[[CC]]
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; 64-CMP-DAG: or $[[T2:[0-9]+]], $[[T0]], $[[T1]]
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; 64-CMP-DAG: lw $2, 0($[[T2]])
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define i32 @cmov2(i32 %s) nounwind readonly {
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entry:
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%tobool = icmp ne i32 %s, 0
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%tmp1 = load i32* @c, align 4
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%tmp2 = load i32* @d, align 4
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%cond = select i1 %tobool, i32 %tmp1, i32 %tmp2
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ret i32 %cond
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}
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; ALL-LABEL: cmov3:
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; We won't check the result register since we can't know if the move is first
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; or last. We do know it will be either one of two registers so we can at least
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; check that.
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; 32-CMOV: xori $[[R0:[0-9]+]], $4, 234
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; 32-CMOV: movz ${{[26]}}, $5, $[[R0]]
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; 32-CMP-DAG: xori $[[CC:[0-9]+]], $4, 234
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; 32-CMP-DAG: seleqz $[[T0:[0-9]+]], $5, $[[CC]]
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; 32-CMP-DAG: selnez $[[T1:[0-9]+]], $6, $[[CC]]
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; 32-CMP-DAG: or $2, $[[T0]], $[[T1]]
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; 64-CMOV: xori $[[R0:[0-9]+]], $4, 234
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; 64-CMOV: movz ${{[26]}}, $5, $[[R0]]
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; 64-CMP-DAG: xori $[[CC:[0-9]+]], $4, 234
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; 64-CMP-DAG: seleqz $[[T0:[0-9]+]], $5, $[[CC]]
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; 64-CMP-DAG: selnez $[[T1:[0-9]+]], $6, $[[CC]]
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; 64-CMP-DAG: or $2, $[[T0]], $[[T1]]
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define i32 @cmov3(i32 %a, i32 %b, i32 %c) nounwind readnone {
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entry:
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%cmp = icmp eq i32 %a, 234
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%cond = select i1 %cmp, i32 %b, i32 %c
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ret i32 %cond
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}
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; ALL-LABEL: cmov4:
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; We won't check the result register since we can't know if the move is first
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; or last. We do know it will be one of two registers so we can at least check
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; that.
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; 32-CMOV-DAG: xori $[[R0:[0-9]+]], $4, 234
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; 32-CMOV-DAG: lw $[[R1:2]], 16($sp)
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; 32-CMOV-DAG: lw $[[R2:3]], 20($sp)
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; 32-CMOV-DAG: movz $[[R1]], $6, $[[R0]]
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; 32-CMOV-DAG: movz $[[R2]], $7, $[[R0]]
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; 32-CMP-DAG: xori $[[R0:[0-9]+]], $4, 234
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; 32-CMP-DAG: lw $[[R1:[0-9]+]], 16($sp)
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; 32-CMP-DAG: lw $[[R2:[0-9]+]], 20($sp)
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; 32-CMP-DAG: seleqz $[[T0:[0-9]+]], $6, $[[R0]]
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; 32-CMP-DAG: seleqz $[[T1:[0-9]+]], $7, $[[R0]]
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; 32-CMP-DAG: selnez $[[T2:[0-9]+]], $[[R1]], $[[R0]]
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; 32-CMP-DAG: selnez $[[T3:[0-9]+]], $[[R2]], $[[R0]]
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; 32-CMP-DAG: or $2, $[[T0]], $[[T2]]
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; 32-CMP-DAG: or $3, $[[T1]], $[[T3]]
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; 64-CMOV: xori $[[R0:[0-9]+]], $4, 234
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; 64-CMOV: movz ${{[26]}}, $5, $[[R0]]
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; 64-CMP-DAG: xori $[[R0:[0-9]+]], $4, 234
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; 64-CMP-DAG: seleqz $[[T0:[0-9]+]], $5, $[[R0]]
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; 64-CMP-DAG: selnez $[[T1:[0-9]+]], $6, $[[R0]]
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; 64-CMP-DAG: or $2, $[[T0]], $[[T1]]
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define i64 @cmov4(i32 %a, i64 %b, i64 %c) nounwind readnone {
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entry:
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%cmp = icmp eq i32 %a, 234
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%cond = select i1 %cmp, i64 %b, i64 %c
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ret i64 %cond
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}
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; slti and conditional move.
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;
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; Check that, pattern
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; (select (setgt a, N), t, f)
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; turns into
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; (movz t, (setlt a, N + 1), f)
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; if N + 1 fits in 16-bit.
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; ALL-LABEL: slti0:
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; 32-CMOV-DAG: addiu $[[I3:[0-9]+]], $zero, 3
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; 32-CMOV-DAG: addiu $[[I5:2]], $zero, 5
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; 32-CMOV-DAG: slti $[[R0:[0-9]+]], $4, 32767
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; 32-CMOV-DAG: movz $[[I5]], $[[I3]], $[[R0]]
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; 32-CMP-DAG: addiu $[[I3:[0-9]+]], $zero, 3
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; 32-CMP-DAG: addiu $[[I5:[0-9]+]], $zero, 5
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; 32-CMP-DAG: slti $[[R0:[0-9]+]], $4, 32767
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; FIXME: We can do better than this by using selccz to choose between +0 and +2
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; 32-CMP-DAG: seleqz $[[T0:[0-9]+]], $[[I3]], $[[R0]]
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; 32-CMP-DAG: selnez $[[T1:[0-9]+]], $[[I5]], $[[R0]]
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; 32-CMP-DAG: or $2, $[[T0]], $[[T1]]
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; 64-CMOV-DAG: addiu $[[I3:[0-9]+]], $zero, 3
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; 64-CMOV-DAG: addiu $[[I5:2]], $zero, 5
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; 64-CMOV-DAG: slti $[[R0:[0-9]+]], $4, 32767
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; 64-CMOV-DAG: movz $[[I5]], $[[I3]], $[[R0]]
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; 64-CMP-DAG: addiu $[[I3:[0-9]+]], $zero, 3
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; 64-CMP-DAG: addiu $[[I5:[0-9]+]], $zero, 5
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; 64-CMP-DAG: slti $[[R0:[0-9]+]], $4, 32767
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; FIXME: We can do better than this by using selccz to choose between +0 and +2
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; 64-CMP-DAG: seleqz $[[T0:[0-9]+]], $[[I3]], $[[R0]]
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; 64-CMP-DAG: selnez $[[T1:[0-9]+]], $[[I5]], $[[R0]]
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; 64-CMP-DAG: or $2, $[[T0]], $[[T1]]
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define i32 @slti0(i32 %a) {
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entry:
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%cmp = icmp sgt i32 %a, 32766
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%cond = select i1 %cmp, i32 3, i32 5
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ret i32 %cond
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}
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; ALL-LABEL: slti1:
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; 32-CMOV-DAG: addiu $[[I7:[0-9]+]], $zero, 7
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; 32-CMOV-DAG: addiu $[[I5:2]], $zero, 5
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; 32-CMOV-DAG: addiu $[[R1:[0-9]+]], $zero, 32767
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; 32-CMOV-DAG: slt $[[R0:[0-9]+]], $[[R1]], $4
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; 32-CMOV-DAG: movn $[[I5]], $[[I7]], $[[R0]]
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; 32-CMP-DAG: addiu $[[I7:[0-9]+]], $zero, 7
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; 32-CMP-DAG: addiu $[[I5:[0-9]+]], $zero, 5
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; 32-CMP-DAG: addiu $[[I32767:[0-9]+]], $zero, 32767
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; 32-CMP-DAG: slt $[[R0:[0-9]+]], $[[I32767]], $4
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; FIXME: We can do better than this by using selccz to choose between -0 and -2
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; 32-CMP-DAG: selnez $[[T0:[0-9]+]], $[[I7]], $[[R0]]
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; 32-CMP-DAG: seleqz $[[T1:[0-9]+]], $[[I5]], $[[R0]]
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; 32-CMP-DAG: or $2, $[[T0]], $[[T1]]
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; 64-CMOV-DAG: addiu $[[I7:[0-9]+]], $zero, 7
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; 64-CMOV-DAG: addiu $[[I5:2]], $zero, 5
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; 64-CMOV-DAG: addiu $[[R1:[0-9]+]], $zero, 32767
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; 64-CMOV-DAG: slt $[[R0:[0-9]+]], $[[R1]], $4
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; 64-CMOV-DAG: movn $[[I5]], $[[I7]], $[[R0]]
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; 64-CMP-DAG: addiu $[[I7:[0-9]+]], $zero, 7
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; 64-CMP-DAG: addiu $[[I5:2]], $zero, 5
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; 64-CMP-DAG: addiu $[[R1:[0-9]+]], $zero, 32767
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; 64-CMP-DAG: slt $[[R0:[0-9]+]], $[[R1]], $4
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; FIXME: We can do better than this by using selccz to choose between -0 and -2
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; 64-CMP-DAG: selnez $[[T0:[0-9]+]], $[[I7]], $[[R0]]
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; 64-CMP-DAG: seleqz $[[T1:[0-9]+]], $[[I5]], $[[R0]]
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; 64-CMP-DAG: or $2, $[[T0]], $[[T1]]
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define i32 @slti1(i32 %a) {
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entry:
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%cmp = icmp sgt i32 %a, 32767
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%cond = select i1 %cmp, i32 7, i32 5
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ret i32 %cond
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}
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; ALL-LABEL: slti2:
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; 32-CMOV-DAG: addiu $[[I3:[0-9]+]], $zero, 3
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; 32-CMOV-DAG: addiu $[[I5:2]], $zero, 5
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; 32-CMOV-DAG: slti $[[R0:[0-9]+]], $4, -32768
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; 32-CMOV-DAG: movz $[[I5]], $[[I3]], $[[R0]]
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; 32-CMP-DAG: addiu $[[I3:[0-9]+]], $zero, 3
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; 32-CMP-DAG: addiu $[[I5:[0-9]+]], $zero, 5
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; 32-CMP-DAG: slti $[[R0:[0-9]+]], $4, -32768
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; FIXME: We can do better than this by using selccz to choose between +0 and +2
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; 32-CMP-DAG: seleqz $[[T0:[0-9]+]], $[[I3]], $[[R0]]
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; 32-CMP-DAG: selnez $[[T1:[0-9]+]], $[[I5]], $[[R0]]
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; 32-CMP-DAG: or $2, $[[T0]], $[[T1]]
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; 64-CMOV-DAG: addiu $[[I3:[0-9]+]], $zero, 3
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; 64-CMOV-DAG: addiu $[[I5:2]], $zero, 5
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; 64-CMOV-DAG: slti $[[R0:[0-9]+]], $4, -32768
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; 64-CMOV-DAG: movz $[[I5]], $[[I3]], $[[R0]]
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; 64-CMP-DAG: addiu $[[I3:[0-9]+]], $zero, 3
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; 64-CMP-DAG: addiu $[[I5:[0-9]+]], $zero, 5
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; 64-CMP-DAG: slti $[[R0:[0-9]+]], $4, -32768
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; FIXME: We can do better than this by using selccz to choose between +0 and +2
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; 64-CMP-DAG: seleqz $[[T0:[0-9]+]], $[[I3]], $[[R0]]
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; 64-CMP-DAG: selnez $[[T1:[0-9]+]], $[[I5]], $[[R0]]
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; 64-CMP-DAG: or $2, $[[T0]], $[[T1]]
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define i32 @slti2(i32 %a) {
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entry:
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%cmp = icmp sgt i32 %a, -32769
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%cond = select i1 %cmp, i32 3, i32 5
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ret i32 %cond
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}
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; ALL-LABEL: slti3:
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; 32-CMOV-DAG: addiu $[[I3:[0-9]+]], $zero, 3
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; 32-CMOV-DAG: addiu $[[I5:2]], $zero, 5
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; 32-CMOV-DAG: lui $[[R1:[0-9]+]], 65535
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; 32-CMOV-DAG: ori $[[R1]], $[[R1]], 32766
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; 32-CMOV-DAG: slt $[[R0:[0-9]+]], $[[R1]], $4
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; 32-CMOV-DAG: movn $[[I5]], $[[I3]], $[[R0]]
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; 32-CMP-DAG: addiu $[[I3:[0-9]+]], $zero, 3
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; 32-CMP-DAG: addiu $[[I5:[0-9]+]], $zero, 5
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; 32-CMP-DAG: lui $[[IMM:[0-9]+]], 65535
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; 32-CMP-DAG: ori $[[IMM]], $[[IMM]], 32766
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; 32-CMP-DAG: slt $[[R0:[0-9]+]], $[[I32767]], $4
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; FIXME: We can do better than this by using selccz to choose between -0 and -2
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; 32-CMP-DAG: selnez $[[T0:[0-9]+]], $[[I3]], $[[R0]]
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; 32-CMP-DAG: seleqz $[[T1:[0-9]+]], $[[I5]], $[[R0]]
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; 32-CMP-DAG: or $2, $[[T0]], $[[T1]]
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; 64-CMOV-DAG: addiu $[[I3:[0-9]+]], $zero, 3
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; 64-CMOV-DAG: addiu $[[I5:2]], $zero, 5
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; 64-CMOV-DAG: lui $[[R1:[0-9]+]], 65535
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; 64-CMOV-DAG: ori $[[R1]], $[[R1]], 32766
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; 64-CMOV-DAG: slt $[[R0:[0-9]+]], $[[R1]], $4
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; 64-CMOV-DAG: movn $[[I5]], $[[I3]], $[[R0]]
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; 64-CMP-DAG: addiu $[[I3:[0-9]+]], $zero, 3
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; 64-CMP-DAG: addiu $[[I5:2]], $zero, 5
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; 64-CMP-DAG: lui $[[IMM:[0-9]+]], 65535
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; 64-CMP-DAG: ori $[[IMM]], $[[IMM]], 32766
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; 64-CMP-DAG: slt $[[R0:[0-9]+]], $[[IMM]], $4
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; FIXME: We can do better than this by using selccz to choose between -0 and -2
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; 64-CMP-DAG: selnez $[[T0:[0-9]+]], $[[I3]], $[[R0]]
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; 64-CMP-DAG: seleqz $[[T1:[0-9]+]], $[[I5]], $[[R0]]
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; 64-CMP-DAG: or $2, $[[T0]], $[[T1]]
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define i32 @slti3(i32 %a) {
|
|
entry:
|
|
%cmp = icmp sgt i32 %a, -32770
|
|
%cond = select i1 %cmp, i32 3, i32 5
|
|
ret i32 %cond
|
|
}
|
|
|
|
; 64-bit patterns.
|
|
|
|
; ALL-LABEL: slti64_0:
|
|
|
|
; 32-CMOV-DAG: slt $[[CC:[0-9]+]], $zero, $4
|
|
; 32-CMOV-DAG: addiu $[[I32766:[0-9]+]], $zero, 32766
|
|
; 32-CMOV-DAG: sltu $[[R1:[0-9]+]], $[[I32766]], $5
|
|
; 32-CMOV-DAG: movz $[[CC:[0-9]+]], $[[R1]], $4
|
|
; 32-CMOV-DAG: addiu $[[I5:[0-9]+]], $zero, 5
|
|
; 32-CMOV-DAG: addiu $[[I4:3]], $zero, 4
|
|
; 32-CMOV-DAG: movn $[[I4]], $[[I5]], $[[CC]]
|
|
; 32-CMOV-DAG: addiu $2, $zero, 0
|
|
|
|
; 32-CMP-DAG: slt $[[CC0:[0-9]+]], $zero, $4
|
|
; 32-CMP-DAG: addiu $[[I32766:[0-9]+]], $zero, 32766
|
|
; 32-CMP-DAG: sltu $[[CC1:[0-9]+]], $[[I32766]], $5
|
|
; 32-CMP-DAG: selnez $[[CC2:[0-9]+]], $[[CC0]], $4
|
|
; 32-CMP-DAG: seleqz $[[CC3:[0-9]+]], $[[CC1]], $4
|
|
; 32-CMP: or $[[CC:[0-9]+]], $[[CC3]], $[[CC2]]
|
|
; 32-CMP-DAG: addiu $[[I5:[0-9]+]], $zero, 5
|
|
; 32-CMP-DAG: addiu $[[I4:[0-9]+]], $zero, 4
|
|
; 32-CMP-DAG: seleqz $[[T0:[0-9]+]], $[[I4]], $[[CC]]
|
|
; 32-CMP-DAG: selnez $[[T1:[0-9]+]], $[[I5]], $[[CC]]
|
|
; 32-CMP-DAG: or $3, $[[T1]], $[[T0]]
|
|
; 32-CMP-DAG: addiu $2, $zero, 0
|
|
|
|
; 64-CMOV-DAG: addiu $[[I5:[0-9]+]], $zero, 5
|
|
; 64-CMOV-DAG: addiu $[[I4:2]], $zero, 4
|
|
; 64-CMOV-DAG: slti $[[R0:[0-9]+]], $4, 32767
|
|
; 64-CMOV-DAG: movz $[[I4]], $[[I5]], $[[R0]]
|
|
|
|
; 64-CMP-DAG: addiu $[[I5:[0-9]+]], $zero, 5
|
|
; 64-CMP-DAG: addiu $[[I4:[0-9]+]], $zero, 4
|
|
; 64-CMP-DAG: slti $[[R0:[0-9]+]], $4, 32767
|
|
; FIXME: We can do better than this by adding/subtracting the result of slti
|
|
; to/from one of the constants.
|
|
; 64-CMP-DAG: seleqz $[[T0:[0-9]+]], $[[I5]], $[[R0]]
|
|
; 64-CMP-DAG: selnez $[[T1:[0-9]+]], $[[I4]], $[[R0]]
|
|
; 64-CMP-DAG: or $2, $[[T0]], $[[T1]]
|
|
|
|
define i64 @slti64_0(i64 %a) {
|
|
entry:
|
|
%cmp = icmp sgt i64 %a, 32766
|
|
%conv = select i1 %cmp, i64 5, i64 4
|
|
ret i64 %conv
|
|
}
|
|
|
|
; ALL-LABEL: slti64_1:
|
|
|
|
; 32-CMOV-DAG: slt $[[CC:[0-9]+]], $zero, $4
|
|
; 32-CMOV-DAG: addiu $[[I32766:[0-9]+]], $zero, 32767
|
|
; 32-CMOV-DAG: sltu $[[R1:[0-9]+]], $[[I32766]], $5
|
|
; 32-CMOV-DAG: movz $[[CC:[0-9]+]], $[[R1]], $4
|
|
; 32-CMOV-DAG: addiu $[[I5:[0-9]+]], $zero, 5
|
|
; 32-CMOV-DAG: addiu $[[I4:3]], $zero, 4
|
|
; 32-CMOV-DAG: movn $[[I4]], $[[I5]], $[[CC]]
|
|
; 32-CMOV-DAG: addiu $2, $zero, 0
|
|
|
|
; 32-CMP-DAG: slt $[[CC0:[0-9]+]], $zero, $4
|
|
; 32-CMP-DAG: addiu $[[I32766:[0-9]+]], $zero, 32767
|
|
; 32-CMP-DAG: sltu $[[CC1:[0-9]+]], $[[I32766]], $5
|
|
; 32-CMP-DAG: selnez $[[CC2:[0-9]+]], $[[CC0]], $4
|
|
; 32-CMP-DAG: seleqz $[[CC3:[0-9]+]], $[[CC1]], $4
|
|
; 32-CMP: or $[[CC:[0-9]+]], $[[CC3]], $[[CC2]]
|
|
; 32-CMP-DAG: addiu $[[I5:[0-9]+]], $zero, 5
|
|
; 32-CMP-DAG: addiu $[[I4:[0-9]+]], $zero, 4
|
|
; 32-CMP-DAG: seleqz $[[T0:[0-9]+]], $[[I4]], $[[CC]]
|
|
; 32-CMP-DAG: selnez $[[T1:[0-9]+]], $[[I5]], $[[CC]]
|
|
; 32-CMP-DAG: or $3, $[[T1]], $[[T0]]
|
|
; 32-CMP-DAG: addiu $2, $zero, 0
|
|
|
|
; 64-CMOV-DAG: daddiu $[[I5:[0-9]+]], $zero, 5
|
|
; 64-CMOV-DAG: daddiu $[[I4:2]], $zero, 4
|
|
; 64-CMOV-DAG: daddiu $[[R1:[0-9]+]], $zero, 32767
|
|
; 64-CMOV-DAG: slt $[[R0:[0-9]+]], $[[R1]], $4
|
|
; 64-CMOV-DAG: movn $[[I4]], $[[I5]], $[[R0]]
|
|
|
|
; 64-CMP-DAG: daddiu $[[I5:[0-9]+]], $zero, 5
|
|
; 64-CMP-DAG: daddiu $[[I4:2]], $zero, 4
|
|
; 64-CMP-DAG: daddiu $[[R1:[0-9]+]], $zero, 32767
|
|
; 64-CMP-DAG: slt $[[R0:[0-9]+]], $[[R1]], $4
|
|
; FIXME: We can do better than this by using selccz to choose between -0 and -2
|
|
; 64-CMP-DAG: selnez $[[T0:[0-9]+]], $[[I5]], $[[R0]]
|
|
; 64-CMP-DAG: seleqz $[[T1:[0-9]+]], $[[I4]], $[[R0]]
|
|
; 64-CMP-DAG: or $2, $[[T0]], $[[T1]]
|
|
|
|
define i64 @slti64_1(i64 %a) {
|
|
entry:
|
|
%cmp = icmp sgt i64 %a, 32767
|
|
%conv = select i1 %cmp, i64 5, i64 4
|
|
ret i64 %conv
|
|
}
|
|
|
|
; ALL-LABEL: slti64_2:
|
|
|
|
; FIXME: The 32-bit versions of this test are too complicated to reasonably
|
|
; match at the moment. They do show some missing optimizations though
|
|
; such as:
|
|
; (movz $a, $b, (neg $c)) -> (movn $a, $b, $c)
|
|
|
|
; 64-CMOV-DAG: addiu $[[I3:[0-9]+]], $zero, 3
|
|
; 64-CMOV-DAG: addiu $[[I4:2]], $zero, 4
|
|
; 64-CMOV-DAG: slti $[[R0:[0-9]+]], $4, -32768
|
|
; 64-CMOV-DAG: movz $[[I4]], $[[I3]], $[[R0]]
|
|
|
|
; 64-CMP-DAG: addiu $[[I3:[0-9]+]], $zero, 3
|
|
; 64-CMP-DAG: addiu $[[I4:[0-9]+]], $zero, 4
|
|
; 64-CMP-DAG: slti $[[R0:[0-9]+]], $4, -32768
|
|
; FIXME: We can do better than this by adding/subtracting the result of slti
|
|
; to/from one of the constants.
|
|
; 64-CMP-DAG: seleqz $[[T0:[0-9]+]], $[[I3]], $[[R0]]
|
|
; 64-CMP-DAG: selnez $[[T1:[0-9]+]], $[[I4]], $[[R0]]
|
|
; 64-CMP-DAG: or $2, $[[T0]], $[[T1]]
|
|
|
|
define i64 @slti64_2(i64 %a) {
|
|
entry:
|
|
%cmp = icmp sgt i64 %a, -32769
|
|
%conv = select i1 %cmp, i64 3, i64 4
|
|
ret i64 %conv
|
|
}
|
|
|
|
; ALL-LABEL: slti64_3:
|
|
|
|
; FIXME: The 32-bit versions of this test are too complicated to reasonably
|
|
; match at the moment. They do show some missing optimizations though
|
|
; such as:
|
|
; (movz $a, $b, (neg $c)) -> (movn $a, $b, $c)
|
|
|
|
; 64-CMOV-DAG: daddiu $[[I5:[0-9]+]], $zero, 5
|
|
; 64-CMOV-DAG: daddiu $[[I4:2]], $zero, 4
|
|
; 64-CMOV-DAG: daddiu $[[R1:[0-9]+]], ${{[0-9]+}}, 32766
|
|
; 64-CMOV-DAG: slt $[[R0:[0-9]+]], $[[R1]], $4
|
|
; 64-CMOV-DAG: movn $[[I4]], $[[I5]], $[[R0]]
|
|
|
|
; 64-CMP-DAG: daddiu $[[I5:[0-9]+]], $zero, 5
|
|
; 64-CMP-DAG: daddiu $[[I4:2]], $zero, 4
|
|
; 64-CMP-DAG: daddiu $[[R1:[0-9]+]], ${{[0-9]+}}, 32766
|
|
; 64-CMP-DAG: slt $[[R0:[0-9]+]], $[[R1]], $4
|
|
; FIXME: We can do better than this by using selccz to choose between -0 and -2
|
|
; 64-CMP-DAG: selnez $[[T0:[0-9]+]], $[[I5]], $[[R0]]
|
|
; 64-CMP-DAG: seleqz $[[T1:[0-9]+]], $[[I4]], $[[R0]]
|
|
; 64-CMP-DAG: or $2, $[[T0]], $[[T1]]
|
|
|
|
define i64 @slti64_3(i64 %a) {
|
|
entry:
|
|
%cmp = icmp sgt i64 %a, -32770
|
|
%conv = select i1 %cmp, i64 5, i64 4
|
|
ret i64 %conv
|
|
}
|
|
|
|
; sltiu instructions.
|
|
|
|
; ALL-LABEL: sltiu0:
|
|
|
|
; 32-CMOV-DAG: addiu $[[I3:[0-9]+]], $zero, 3
|
|
; 32-CMOV-DAG: addiu $[[I5:2]], $zero, 5
|
|
; 32-CMOV-DAG: sltiu $[[R0:[0-9]+]], $4, 32767
|
|
; 32-CMOV-DAG: movz $[[I5]], $[[I3]], $[[R0]]
|
|
|
|
; 32-CMP-DAG: addiu $[[I3:[0-9]+]], $zero, 3
|
|
; 32-CMP-DAG: addiu $[[I5:[0-9]+]], $zero, 5
|
|
; 32-CMP-DAG: sltiu $[[R0:[0-9]+]], $4, 32767
|
|
; FIXME: We can do better than this by using selccz to choose between +0 and +2
|
|
; 32-CMP-DAG: seleqz $[[T0:[0-9]+]], $[[I3]], $[[R0]]
|
|
; 32-CMP-DAG: selnez $[[T1:[0-9]+]], $[[I5]], $[[R0]]
|
|
; 32-CMP-DAG: or $2, $[[T0]], $[[T1]]
|
|
|
|
; 64-CMOV-DAG: addiu $[[I3:[0-9]+]], $zero, 3
|
|
; 64-CMOV-DAG: addiu $[[I5:2]], $zero, 5
|
|
; 64-CMOV-DAG: sltiu $[[R0:[0-9]+]], $4, 32767
|
|
; 64-CMOV-DAG: movz $[[I5]], $[[I3]], $[[R0]]
|
|
|
|
; 64-CMP-DAG: addiu $[[I3:[0-9]+]], $zero, 3
|
|
; 64-CMP-DAG: addiu $[[I5:[0-9]+]], $zero, 5
|
|
; 64-CMP-DAG: sltiu $[[R0:[0-9]+]], $4, 32767
|
|
; FIXME: We can do better than this by using selccz to choose between +0 and +2
|
|
; 64-CMP-DAG: seleqz $[[T0:[0-9]+]], $[[I3]], $[[R0]]
|
|
; 64-CMP-DAG: selnez $[[T1:[0-9]+]], $[[I5]], $[[R0]]
|
|
; 64-CMP-DAG: or $2, $[[T0]], $[[T1]]
|
|
|
|
define i32 @sltiu0(i32 %a) {
|
|
entry:
|
|
%cmp = icmp ugt i32 %a, 32766
|
|
%cond = select i1 %cmp, i32 3, i32 5
|
|
ret i32 %cond
|
|
}
|
|
|
|
; ALL-LABEL: sltiu1:
|
|
|
|
; 32-CMOV-DAG: addiu $[[I7:[0-9]+]], $zero, 7
|
|
; 32-CMOV-DAG: addiu $[[I5:2]], $zero, 5
|
|
; 32-CMOV-DAG: addiu $[[R1:[0-9]+]], $zero, 32767
|
|
; 32-CMOV-DAG: sltu $[[R0:[0-9]+]], $[[R1]], $4
|
|
; 32-CMOV-DAG: movn $[[I5]], $[[I7]], $[[R0]]
|
|
|
|
; 32-CMP-DAG: addiu $[[I7:[0-9]+]], $zero, 7
|
|
; 32-CMP-DAG: addiu $[[I5:[0-9]+]], $zero, 5
|
|
; 32-CMP-DAG: addiu $[[I32767:[0-9]+]], $zero, 32767
|
|
; 32-CMP-DAG: sltu $[[R0:[0-9]+]], $[[I32767]], $4
|
|
; FIXME: We can do better than this by using selccz to choose between -0 and -2
|
|
; 32-CMP-DAG: selnez $[[T0:[0-9]+]], $[[I7]], $[[R0]]
|
|
; 32-CMP-DAG: seleqz $[[T1:[0-9]+]], $[[I5]], $[[R0]]
|
|
; 32-CMP-DAG: or $2, $[[T0]], $[[T1]]
|
|
|
|
; 64-CMOV-DAG: addiu $[[I7:[0-9]+]], $zero, 7
|
|
; 64-CMOV-DAG: addiu $[[I5:2]], $zero, 5
|
|
; 64-CMOV-DAG: addiu $[[R1:[0-9]+]], $zero, 32767
|
|
; 64-CMOV-DAG: sltu $[[R0:[0-9]+]], $[[R1]], $4
|
|
; 64-CMOV-DAG: movn $[[I5]], $[[I7]], $[[R0]]
|
|
|
|
; 64-CMP-DAG: addiu $[[I7:[0-9]+]], $zero, 7
|
|
; 64-CMP-DAG: addiu $[[I5:2]], $zero, 5
|
|
; 64-CMP-DAG: addiu $[[R1:[0-9]+]], $zero, 32767
|
|
; 64-CMP-DAG: sltu $[[R0:[0-9]+]], $[[R1]], $4
|
|
; FIXME: We can do better than this by using selccz to choose between -0 and -2
|
|
; 64-CMP-DAG: selnez $[[T0:[0-9]+]], $[[I7]], $[[R0]]
|
|
; 64-CMP-DAG: seleqz $[[T1:[0-9]+]], $[[I5]], $[[R0]]
|
|
; 64-CMP-DAG: or $2, $[[T0]], $[[T1]]
|
|
|
|
define i32 @sltiu1(i32 %a) {
|
|
entry:
|
|
%cmp = icmp ugt i32 %a, 32767
|
|
%cond = select i1 %cmp, i32 7, i32 5
|
|
ret i32 %cond
|
|
}
|
|
|
|
; ALL-LABEL: sltiu2:
|
|
|
|
; 32-CMOV-DAG: addiu $[[I3:[0-9]+]], $zero, 3
|
|
; 32-CMOV-DAG: addiu $[[I5:2]], $zero, 5
|
|
; 32-CMOV-DAG: sltiu $[[R0:[0-9]+]], $4, -32768
|
|
; 32-CMOV-DAG: movz $[[I5]], $[[I3]], $[[R0]]
|
|
|
|
; 32-CMP-DAG: addiu $[[I3:[0-9]+]], $zero, 3
|
|
; 32-CMP-DAG: addiu $[[I5:[0-9]+]], $zero, 5
|
|
; 32-CMP-DAG: sltiu $[[R0:[0-9]+]], $4, -32768
|
|
; FIXME: We can do better than this by using selccz to choose between +0 and +2
|
|
; 32-CMP-DAG: seleqz $[[T0:[0-9]+]], $[[I3]], $[[R0]]
|
|
; 32-CMP-DAG: selnez $[[T1:[0-9]+]], $[[I5]], $[[R0]]
|
|
; 32-CMP-DAG: or $2, $[[T0]], $[[T1]]
|
|
|
|
; 64-CMOV-DAG: addiu $[[I3:[0-9]+]], $zero, 3
|
|
; 64-CMOV-DAG: addiu $[[I5:2]], $zero, 5
|
|
; 64-CMOV-DAG: sltiu $[[R0:[0-9]+]], $4, -32768
|
|
; 64-CMOV-DAG: movz $[[I5]], $[[I3]], $[[R0]]
|
|
|
|
; 64-CMP-DAG: addiu $[[I3:[0-9]+]], $zero, 3
|
|
; 64-CMP-DAG: addiu $[[I5:[0-9]+]], $zero, 5
|
|
; 64-CMP-DAG: sltiu $[[R0:[0-9]+]], $4, -32768
|
|
; FIXME: We can do better than this by using selccz to choose between +0 and +2
|
|
; 64-CMP-DAG: seleqz $[[T0:[0-9]+]], $[[I3]], $[[R0]]
|
|
; 64-CMP-DAG: selnez $[[T1:[0-9]+]], $[[I5]], $[[R0]]
|
|
; 64-CMP-DAG: or $2, $[[T0]], $[[T1]]
|
|
|
|
define i32 @sltiu2(i32 %a) {
|
|
entry:
|
|
%cmp = icmp ugt i32 %a, -32769
|
|
%cond = select i1 %cmp, i32 3, i32 5
|
|
ret i32 %cond
|
|
}
|
|
|
|
; ALL-LABEL: sltiu3:
|
|
|
|
; 32-CMOV-DAG: addiu $[[I3:[0-9]+]], $zero, 3
|
|
; 32-CMOV-DAG: addiu $[[I5:2]], $zero, 5
|
|
; 32-CMOV-DAG: lui $[[R1:[0-9]+]], 65535
|
|
; 32-CMOV-DAG: ori $[[R1]], $[[R1]], 32766
|
|
; 32-CMOV-DAG: sltu $[[R0:[0-9]+]], $[[R1]], $4
|
|
; 32-CMOV-DAG: movn $[[I5]], $[[I3]], $[[R0]]
|
|
|
|
; 32-CMP-DAG: addiu $[[I3:[0-9]+]], $zero, 3
|
|
; 32-CMP-DAG: addiu $[[I5:[0-9]+]], $zero, 5
|
|
; 32-CMP-DAG: lui $[[IMM:[0-9]+]], 65535
|
|
; 32-CMP-DAG: ori $[[IMM]], $[[IMM]], 32766
|
|
; 32-CMP-DAG: sltu $[[R0:[0-9]+]], $[[I32767]], $4
|
|
; FIXME: We can do better than this by using selccz to choose between -0 and -2
|
|
; 32-CMP-DAG: selnez $[[T0:[0-9]+]], $[[I3]], $[[R0]]
|
|
; 32-CMP-DAG: seleqz $[[T1:[0-9]+]], $[[I5]], $[[R0]]
|
|
; 32-CMP-DAG: or $2, $[[T0]], $[[T1]]
|
|
|
|
; 64-CMOV-DAG: addiu $[[I3:[0-9]+]], $zero, 3
|
|
; 64-CMOV-DAG: addiu $[[I5:2]], $zero, 5
|
|
; 64-CMOV-DAG: lui $[[R1:[0-9]+]], 65535
|
|
; 64-CMOV-DAG: ori $[[R1]], $[[R1]], 32766
|
|
; 64-CMOV-DAG: sltu $[[R0:[0-9]+]], $[[R1]], $4
|
|
; 64-CMOV-DAG: movn $[[I5]], $[[I3]], $[[R0]]
|
|
|
|
; 64-CMP-DAG: addiu $[[I3:[0-9]+]], $zero, 3
|
|
; 64-CMP-DAG: addiu $[[I5:2]], $zero, 5
|
|
; 64-CMP-DAG: lui $[[IMM:[0-9]+]], 65535
|
|
; 64-CMP-DAG: ori $[[IMM]], $[[IMM]], 32766
|
|
; 64-CMP-DAG: sltu $[[R0:[0-9]+]], $[[IMM]], $4
|
|
; FIXME: We can do better than this by using selccz to choose between -0 and -2
|
|
; 64-CMP-DAG: selnez $[[T0:[0-9]+]], $[[I3]], $[[R0]]
|
|
; 64-CMP-DAG: seleqz $[[T1:[0-9]+]], $[[I5]], $[[R0]]
|
|
; 64-CMP-DAG: or $2, $[[T0]], $[[T1]]
|
|
|
|
define i32 @sltiu3(i32 %a) {
|
|
entry:
|
|
%cmp = icmp ugt i32 %a, -32770
|
|
%cond = select i1 %cmp, i32 3, i32 5
|
|
ret i32 %cond
|
|
}
|
|
|
|
; Check if
|
|
; (select (setxx a, N), x, x-1) or
|
|
; (select (setxx a, N), x-1, x)
|
|
; doesn't generate conditional moves
|
|
; for constant operands whose difference is |1|
|
|
|
|
define i32 @slti4(i32 %a) nounwind readnone {
|
|
%1 = icmp slt i32 %a, 7
|
|
%2 = select i1 %1, i32 4, i32 3
|
|
ret i32 %2
|
|
}
|
|
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; ALL-LABEL: slti4:
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|
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; 32-CMOV-DAG: slti [[R1:\$[0-9]+]], $4, 7
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|
; 32-CMOV-DAG: addiu $2, [[R1]], 3
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|
; 32-CMOV-NOT: movn
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|
|
|
; 32-CMP-DAG: slti [[R1:\$[0-9]+]], $4, 7
|
|
; 32-CMP-DAG: addiu $2, [[R1]], 3
|
|
; 32-CMP-NOT: seleqz
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|
; 32-CMP-NOT: selnez
|
|
|
|
; 64-CMOV-DAG: slti [[R1:\$[0-9]+]], $4, 7
|
|
; 64-CMOV-DAG: addiu $2, [[R1]], 3
|
|
; 64-CMOV-NOT: movn
|
|
|
|
; 64-CMP-DAG: slti [[R1:\$[0-9]+]], $4, 7
|
|
; 64-CMP-DAG: addiu $2, [[R1]], 3
|
|
; 64-CMP-NOT: seleqz
|
|
; 64-CMP-NOT: selnez
|
|
|
|
define i32 @slti5(i32 %a) nounwind readnone {
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|
%1 = icmp slt i32 %a, 7
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|
%2 = select i1 %1, i32 -3, i32 -4
|
|
ret i32 %2
|
|
}
|
|
|
|
; ALL-LABEL: slti5:
|
|
|
|
; 32-CMOV-DAG: slti [[R1:\$[0-9]+]], $4, 7
|
|
; 32-CMOV-DAG: addiu [[R3:\$[0-9]+]], [[R2:\$[a-z0-9]+]], -4
|
|
; 32-CMOV-NOT: movn
|
|
|
|
; 32-CMP-DAG: slti [[R1:\$[0-9]+]], $4, 7
|
|
; 32-CMP-DAG: addiu [[R3:\$[0-9]+]], [[R2:\$[a-z0-9]+]], -4
|
|
; 32-CMP-NOT: seleqz
|
|
; 32-CMP-NOT: selnez
|
|
|
|
; 64-CMOV-DAG: slti [[R1:\$[0-9]+]], $4, 7
|
|
; 64-CMOV-DAG: addiu [[R3:\$[0-9]+]], [[R2:\$[a-z0-9]+]], -4
|
|
; 64-CMOV-NOT: movn
|
|
|
|
; 64-CMP-DAG: slti [[R1:\$[0-9]+]], $4, 7
|
|
; 64-CMP-DAG: addiu [[R3:\$[0-9]+]], [[R2:\$[a-z0-9]+]], -4
|
|
; 64-CMP-NOT: seleqz
|
|
; 64-CMP-NOT: selnez
|
|
|
|
define i32 @slti6(i32 %a) nounwind readnone {
|
|
%1 = icmp slt i32 %a, 7
|
|
%2 = select i1 %1, i32 3, i32 4
|
|
ret i32 %2
|
|
}
|
|
|
|
; ALL-LABEL: slti6:
|
|
|
|
; 32-CMOV-DAG: slti [[R1:\$[0-9]+]], $4, 7
|
|
; 32-CMOV-DAG: xori [[R1]], [[R1]], 1
|
|
; 32-CMOV-DAG: addiu [[R2:\$[0-9]+]], [[R1]], 3
|
|
; 32-CMOV-NOT: movn
|
|
|
|
; 32-CMP-DAG: slti [[R1:\$[0-9]+]], $4, 7
|
|
; 32-CMP-DAG: xori [[R1]], [[R1]], 1
|
|
; 32-CMP-DAG: addiu [[R2:\$[0-9]+]], [[R1]], 3
|
|
; 32-CMP-NOT: seleqz
|
|
; 32-CMP-NOT: selnez
|
|
|
|
; 64-CMOV-DAG: slti [[R1:\$[0-9]+]], $4, 7
|
|
; 64-CMOV-DAG: xori [[R1]], [[R1]], 1
|
|
; 64-CMOV-DAG: addiu [[R2:\$[0-9]+]], [[R1]], 3
|
|
; 64-CMOV-NOT: movn
|
|
|
|
; 64-CMP-DAG: slti [[R1:\$[0-9]+]], $4, 7
|
|
; 64-CMP-DAG: xori [[R1]], [[R1]], 1
|
|
; 64-CMP-DAG: addiu [[R2:\$[0-9]+]], [[R1]], 3
|
|
; 64-CMP-NOT: seleqz
|
|
; 64-CMP-NOT: selnez
|