movbe.ll
1.72 KB
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; RUN: llc -mtriple=x86_64-linux -mcpu=atom < %s | FileCheck %s
; RUN: llc -mtriple=x86_64-linux -mcpu=slm < %s | FileCheck %s -check-prefix=SLM
declare i16 @llvm.bswap.i16(i16) nounwind readnone
declare i32 @llvm.bswap.i32(i32) nounwind readnone
declare i64 @llvm.bswap.i64(i64) nounwind readnone
define void @test1(i16* nocapture %x, i16 %y) nounwind {
%bswap = call i16 @llvm.bswap.i16(i16 %y)
store i16 %bswap, i16* %x, align 2
ret void
; CHECK-LABEL: test1:
; CHECK: movbew %si, (%rdi)
; SLM-LABEL: test1:
; SLM: movbew %si, (%rdi)
}
define i16 @test2(i16* %x) nounwind {
%load = load i16, i16* %x, align 2
%bswap = call i16 @llvm.bswap.i16(i16 %load)
ret i16 %bswap
; CHECK-LABEL: test2:
; CHECK: movbew (%rdi), %ax
; SLM-LABEL: test2:
; SLM: movbew (%rdi), %ax
}
define void @test3(i32* nocapture %x, i32 %y) nounwind {
%bswap = call i32 @llvm.bswap.i32(i32 %y)
store i32 %bswap, i32* %x, align 4
ret void
; CHECK-LABEL: test3:
; CHECK: movbel %esi, (%rdi)
; SLM-LABEL: test3:
; SLM: movbel %esi, (%rdi)
}
define i32 @test4(i32* %x) nounwind {
%load = load i32, i32* %x, align 4
%bswap = call i32 @llvm.bswap.i32(i32 %load)
ret i32 %bswap
; CHECK-LABEL: test4:
; CHECK: movbel (%rdi), %eax
; SLM-LABEL: test4:
; SLM: movbel (%rdi), %eax
}
define void @test5(i64* %x, i64 %y) nounwind {
%bswap = call i64 @llvm.bswap.i64(i64 %y)
store i64 %bswap, i64* %x, align 8
ret void
; CHECK-LABEL: test5:
; CHECK: movbeq %rsi, (%rdi)
; SLM-LABEL: test5:
; SLM: movbeq %rsi, (%rdi)
}
define i64 @test6(i64* %x) nounwind {
%load = load i64, i64* %x, align 8
%bswap = call i64 @llvm.bswap.i64(i64 %load)
ret i64 %bswap
; CHECK-LABEL: test6:
; CHECK: movbeq (%rdi), %rax
; SLM-LABEL: test6:
; SLM: movbeq (%rdi), %rax
}