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llvm-6502/test/CodeGen/Mips/setcc-se.ll
Akira Hatanaka 9b06dd6ca2 [mips] Print instructions "beq", "bne" and "or" using assembler pseudo
instructions "beqz", "bnez" and "move", when possible.

beq $2, $zero, $L1 => beqz $2, $L1
bne $2, $zero, $L1 => bnez $2, $L1
or  $2, $3, $zero  => move $2, $3



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187229 91177308-0d34-0410-b5e6-96231b3b80d8
2013-07-26 18:34:25 +00:00

156 lines
2.6 KiB
LLVM

; RUN: llc -march=mipsel < %s | FileCheck %s
@g1 = external global i32
; CHECK-LABEL: seteq0:
; CHECK: sltiu ${{[0-9]+}}, $4, 1
define i32 @seteq0(i32 %a) {
entry:
%cmp = icmp eq i32 %a, 0
%conv = zext i1 %cmp to i32
ret i32 %conv
}
; CHECK-LABEL: setne0:
; CHECK: sltu ${{[0-9]+}}, $zero, $4
define i32 @setne0(i32 %a) {
entry:
%cmp = icmp ne i32 %a, 0
%conv = zext i1 %cmp to i32
ret i32 %conv
}
; CHECK-LABEL: slti_beq0:
; CHECK: slti $[[R0:[0-9]+]], $4, -32768
; CHECK: beqz $[[R0]]
define void @slti_beq0(i32 %a) {
entry:
%cmp = icmp slt i32 %a, -32768
br i1 %cmp, label %if.then, label %if.end
if.then:
store i32 %a, i32* @g1, align 4
br label %if.end
if.end:
ret void
}
; CHECK-LABEL: slti_beq1:
; CHECK: slt ${{[0-9]+}}
define void @slti_beq1(i32 %a) {
entry:
%cmp = icmp slt i32 %a, -32769
br i1 %cmp, label %if.then, label %if.end
if.then:
store i32 %a, i32* @g1, align 4
br label %if.end
if.end:
ret void
}
; CHECK-LABEL: slti_beq2:
; CHECK: slti $[[R0:[0-9]+]], $4, 32767
; CHECK: beqz $[[R0]]
define void @slti_beq2(i32 %a) {
entry:
%cmp = icmp slt i32 %a, 32767
br i1 %cmp, label %if.then, label %if.end
if.then:
store i32 %a, i32* @g1, align 4
br label %if.end
if.end:
ret void
}
; CHECK-LABEL: slti_beq3:
; CHECK: slt ${{[0-9]+}}
define void @slti_beq3(i32 %a) {
entry:
%cmp = icmp slt i32 %a, 32768
br i1 %cmp, label %if.then, label %if.end
if.then:
store i32 %a, i32* @g1, align 4
br label %if.end
if.end:
ret void
}
; CHECK-LABEL: sltiu_beq0:
; CHECK: sltiu $[[R0:[0-9]+]], $4, 32767
; CHECK: beqz $[[R0]]
define void @sltiu_beq0(i32 %a) {
entry:
%cmp = icmp ult i32 %a, 32767
br i1 %cmp, label %if.then, label %if.end
if.then:
store i32 %a, i32* @g1, align 4
br label %if.end
if.end:
ret void
}
; CHECK-LABEL: sltiu_beq1:
; CHECK: sltu ${{[0-9]+}}
define void @sltiu_beq1(i32 %a) {
entry:
%cmp = icmp ult i32 %a, 32768
br i1 %cmp, label %if.then, label %if.end
if.then:
store i32 %a, i32* @g1, align 4
br label %if.end
if.end:
ret void
}
; CHECK-LABEL: sltiu_beq2:
; CHECK: sltiu $[[R0:[0-9]+]], $4, -32768
; CHECK: beqz $[[R0]]
define void @sltiu_beq2(i32 %a) {
entry:
%cmp = icmp ult i32 %a, -32768
br i1 %cmp, label %if.then, label %if.end
if.then:
store i32 %a, i32* @g1, align 4
br label %if.end
if.end:
ret void
}
; CHECK-LABEL: sltiu_beq3:
; CHECK: sltu ${{[0-9]+}}
define void @sltiu_beq3(i32 %a) {
entry:
%cmp = icmp ult i32 %a, -32769
br i1 %cmp, label %if.then, label %if.end
if.then:
store i32 %a, i32* @g1, align 4
br label %if.end
if.end:
ret void
}