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; RUN: llc -mtriple=x86_64-linux -mcpu=atom < %s | FileCheck %s
declare i32 @llvm.bswap.i32(i32) nounwind readnone
declare i64 @llvm.bswap.i64(i64) nounwind readnone
define void @test1(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: test1:
; CHECK: movbel %esi, (%rdi)
}
define i32 @test2(i32* %x) nounwind {
%load = load i32* %x, align 4
%bswap = call i32 @llvm.bswap.i32(i32 %load)
ret i32 %bswap
; CHECK-LABEL: test2:
; CHECK: movbel (%rdi), %eax
}
define void @test3(i64* %x, i64 %y) nounwind {
%bswap = call i64 @llvm.bswap.i64(i64 %y)
store i64 %bswap, i64* %x, align 8
ret void
; CHECK-LABEL: test3:
; CHECK: movbeq %rsi, (%rdi)
}
define i64 @test4(i64* %x) nounwind {
%load = load i64* %x, align 8
%bswap = call i64 @llvm.bswap.i64(i64 %load)
ret i64 %bswap
; CHECK-LABEL: test4:
; CHECK: movbeq (%rdi), %rax
}
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