mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-31 16:02:52 +01:00
71 lines
1.6 KiB
LLVM
71 lines
1.6 KiB
LLVM
; RUN: llc < %s -march=x86 | not grep btl
|
|
|
|
; This tests some cases where BT must not be generated. See also bt.ll.
|
|
; Fixes 20040709-[12].c in gcc testsuite.
|
|
|
|
define void @test2(i32 %x, i32 %n) nounwind {
|
|
entry:
|
|
%tmp1 = and i32 %x, 1
|
|
%tmp2 = urem i32 %tmp1, 15
|
|
%tmp3 = and i32 %tmp2, 1 ; <i32> [#uses=1]
|
|
%tmp4 = icmp eq i32 %tmp3, %tmp2 ; <i1> [#uses=1]
|
|
br i1 %tmp4, label %bb, label %UnifiedReturnBlock
|
|
|
|
bb: ; preds = %entry
|
|
call void @foo()
|
|
ret void
|
|
|
|
UnifiedReturnBlock: ; preds = %entry
|
|
ret void
|
|
}
|
|
|
|
define void @test3(i32 %x, i32 %n) nounwind {
|
|
entry:
|
|
%tmp1 = and i32 %x, 1
|
|
%tmp2 = urem i32 %tmp1, 15
|
|
%tmp3 = and i32 %tmp2, 1 ; <i32> [#uses=1]
|
|
%tmp4 = icmp eq i32 %tmp2, %tmp3 ; <i1> [#uses=1]
|
|
br i1 %tmp4, label %bb, label %UnifiedReturnBlock
|
|
|
|
bb: ; preds = %entry
|
|
call void @foo()
|
|
ret void
|
|
|
|
UnifiedReturnBlock: ; preds = %entry
|
|
ret void
|
|
}
|
|
|
|
define void @test4(i32 %x, i32 %n) nounwind {
|
|
entry:
|
|
%tmp1 = and i32 %x, 1
|
|
%tmp2 = urem i32 %tmp1, 15
|
|
%tmp3 = and i32 %tmp2, 1 ; <i32> [#uses=1]
|
|
%tmp4 = icmp ne i32 %tmp2, %tmp3 ; <i1> [#uses=1]
|
|
br i1 %tmp4, label %bb, label %UnifiedReturnBlock
|
|
|
|
bb: ; preds = %entry
|
|
call void @foo()
|
|
ret void
|
|
|
|
UnifiedReturnBlock: ; preds = %entry
|
|
ret void
|
|
}
|
|
|
|
define void @test5(i32 %x, i32 %n) nounwind {
|
|
entry:
|
|
%tmp1 = and i32 %x, 1
|
|
%tmp2 = urem i32 %tmp1, 15
|
|
%tmp3 = and i32 %tmp2, 1 ; <i32> [#uses=1]
|
|
%tmp4 = icmp ne i32 %tmp2, %tmp3 ; <i1> [#uses=1]
|
|
br i1 %tmp4, label %bb, label %UnifiedReturnBlock
|
|
|
|
bb: ; preds = %entry
|
|
call void @foo()
|
|
ret void
|
|
|
|
UnifiedReturnBlock: ; preds = %entry
|
|
ret void
|
|
}
|
|
|
|
declare void @foo()
|