llvm-project/llvm/test/CodeGen/X86/fast-isel-i1.ll

43 lines
949 B
LLVM

; RUN: llc < %s -mtriple=i686-apple-darwin10 -fast-isel -fast-isel-abort=1 | FileCheck %s
; RUN: llc < %s -mtriple=x86_64-apple-darwin10 -fast-isel -fast-isel-abort=1 | FileCheck %s
declare i32 @test1a(i32)
define i32 @test1(i32 %x) nounwind {
; CHECK-LABEL: test1:
; CHECK: andb $1, %
%y = add i32 %x, -3
%t = call i32 @test1a(i32 %y)
%s = mul i32 %t, 77
%z = trunc i32 %s to i1
br label %next
next: ; preds = %0
%u = zext i1 %z to i32
%v = add i32 %u, 1999
br label %exit
exit: ; preds = %next
ret i32 %v
}
define void @test2(i8* %a) nounwind {
entry:
; clang uses i8 constants for booleans, so we test with an i8 1.
; CHECK-LABEL: test2:
; CHECK: movb {{.*}} %al
; CHECK-NEXT: xorb $1, %al
; CHECK-NEXT: testb $1
%tmp = load i8, i8* %a, align 1
%xor = xor i8 %tmp, 1
%tobool = trunc i8 %xor to i1
br i1 %tobool, label %if.then, label %if.end
if.then:
call void @test2(i8* null)
br label %if.end
if.end:
ret void
}