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llvm-6502/test/CodeGen/Mips/i64arg.ll

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Fix test cases. Generate code for Mips32r1 unless a Mips32r2 feature is tested. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139433 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-09 23:14:58 +00:00
; RUN: llc -march=mips < %s | FileCheck %s
Align i64 arguments to 64 bit boundaries. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131668 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-19 20:29:48 +00:00
define void @f1(i64 %ll1, float %f, i64 %ll, i32 %i, float %f2) nounwind {
entry:
[mips] Make sure there is a chain edge dependency between loads that read formal arguments on the stack and stores created afterwards. We need this to ensure tail call optimized function calls do not write over the argument area of the stack before it is read out. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194309 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-09 02:38:51 +00:00
; CHECK-DAG: lw $[[R2:[0-9]+]], 80($sp)
; CHECK-DAG: lw $[[R3:[0-9]+]], 84($sp)
; CHECK-DAG: move $[[R1:[0-9]+]], $5
; CHECK-DAG: move $[[R0:[0-9]+]], $4
; CHECK-DAG: ori $6, ${{[0-9]+}}, 3855
; CHECK-DAG: ori $7, ${{[0-9]+}}, 22136
; CHECK-DAG: lw $25, %call16(ff1)
Align i64 arguments to 64 bit boundaries. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131668 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-19 20:29:48 +00:00
; CHECK: jalr
tail call void @ff1(i32 %i, i64 1085102592623924856) nounwind
[mips] Make sure loads from lazy-binding entries do not get CSE'd or hoisted out of loops. Previously, two consecutive calls to function "func" would result in the following sequence of instructions: 1. load $16, %got(func)($gp) // load address of lazy-binding stub. 2. move $25, $16 3. jalr $25 // jump to lazy-binding stub. 4. nop 5. move $25, $16 6. jalr $25 // jump to lazy-binding stub again. With this patch, the second call directly jumps to func's address, bypassing the lazy-binding resolution routine: 1. load $25, %got(func)($gp) // load address of lazy-binding stub. 2. jalr $25 // jump to lazy-binding stub. 3. nop 4. load $25, %got(func)($gp) // load resolved address of func. 5. jalr $25 // directly jump to func. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191591 91177308-0d34-0410-b5e6-96231b3b80d8
2013-09-28 00:12:32 +00:00
; CHECK-DAG: lw $25, %call16(ff2)
; CHECK-DAG: move $4, $[[R2]]
; CHECK-DAG: move $5, $[[R3]]
Align i64 arguments to 64 bit boundaries. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131668 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-19 20:29:48 +00:00
; CHECK: jalr $25
tail call void @ff2(i64 %ll, double 3.000000e+00) nounwind
%sub = add nsw i32 %i, -1
[mips] Implement MipsTargetMachine::getInstrItineraryData(). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186227 91177308-0d34-0410-b5e6-96231b3b80d8
2013-07-12 23:33:22 +00:00
; CHECK-DAG: lw $25, %call16(ff3)
; CHECK-DAG: sw $[[R1]], 28($sp)
; CHECK-DAG: sw $[[R0]], 24($sp)
; CHECK-DAG: move $6, $[[R2]]
; CHECK-DAG: move $7, $[[R3]]
; CHECK: jalr $25
Align i64 arguments to 64 bit boundaries. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131668 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-19 20:29:48 +00:00
tail call void @ff3(i32 %i, i64 %ll, i32 %sub, i64 %ll1) nounwind
ret void
}
declare void @ff1(i32, i64)
declare void @ff2(i64, double)
declare void @ff3(i32, i64, i32, i64)
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