forked from OSchip/llvm-project
41 lines
750 B
LLVM
41 lines
750 B
LLVM
; RUN: llc < %s -march=x86 -fast-isel | FileCheck %s
|
|
|
|
declare i64 @test1a(i64)
|
|
|
|
define i32 @test1(i64 %x) nounwind {
|
|
; CHECK: test1:
|
|
; CHECK: andb $1, %
|
|
%y = add i64 %x, -3
|
|
%t = call i64 @test1a(i64 %y)
|
|
%s = mul i64 %t, 77
|
|
%z = trunc i64 %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:
|
|
; CHECK: test2:
|
|
; CHECK: movb {{.*}} %al
|
|
; CHECK-NEXT: xorb $1, %al
|
|
; CHECK-NEXT: testb $1
|
|
%tmp = load i8* %a, align 1
|
|
%tobool = trunc i8 %tmp to i1
|
|
%tobool2 = xor i1 %tobool, true
|
|
br i1 %tobool2, label %if.then, label %if.end
|
|
|
|
if.then:
|
|
call void @test2(i8* null)
|
|
br label %if.end
|
|
|
|
if.end:
|
|
ret void
|
|
}
|