mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-25 04:02:41 +01:00
70 lines
1.8 KiB
LLVM
70 lines
1.8 KiB
LLVM
; RUN: llc < %s -mtriple=i386-apple-darwin10 | FileCheck %s
|
|
; rdar://7475489
|
|
|
|
define i32 @test1(i32 %a, i32 %b) nounwind ssp {
|
|
entry:
|
|
; CHECK: test1:
|
|
; CHECK: xorb
|
|
; CHECK-NOT: andb
|
|
; CHECK-NOT: shrb
|
|
; CHECK: testb $64
|
|
%0 = and i32 %a, 16384
|
|
%1 = icmp ne i32 %0, 0
|
|
%2 = and i32 %b, 16384
|
|
%3 = icmp ne i32 %2, 0
|
|
%4 = xor i1 %1, %3
|
|
br i1 %4, label %bb1, label %bb
|
|
|
|
bb: ; preds = %entry
|
|
%5 = tail call i32 (...)* @foo() nounwind ; <i32> [#uses=1]
|
|
ret i32 %5
|
|
|
|
bb1: ; preds = %entry
|
|
%6 = tail call i32 (...)* @bar() nounwind ; <i32> [#uses=1]
|
|
ret i32 %6
|
|
}
|
|
|
|
declare i32 @foo(...)
|
|
|
|
declare i32 @bar(...)
|
|
|
|
|
|
|
|
; PR3351 - (P == 0) & (Q == 0) -> (P|Q) == 0
|
|
define i32 @test2(i32* %P, i32* %Q) nounwind ssp {
|
|
entry:
|
|
%a = icmp eq i32* %P, null ; <i1> [#uses=1]
|
|
%b = icmp eq i32* %Q, null ; <i1> [#uses=1]
|
|
%c = and i1 %a, %b
|
|
br i1 %c, label %bb1, label %return
|
|
|
|
bb1: ; preds = %entry
|
|
ret i32 4
|
|
|
|
return: ; preds = %entry
|
|
ret i32 192
|
|
; CHECK: test2:
|
|
; CHECK: movl 4(%esp), %eax
|
|
; CHECK-NEXT: orl 8(%esp), %eax
|
|
; CHECK-NEXT: jne LBB2_2
|
|
}
|
|
|
|
; PR3351 - (P != 0) | (Q != 0) -> (P|Q) != 0
|
|
define i32 @test3(i32* %P, i32* %Q) nounwind ssp {
|
|
entry:
|
|
%a = icmp ne i32* %P, null ; <i1> [#uses=1]
|
|
%b = icmp ne i32* %Q, null ; <i1> [#uses=1]
|
|
%c = or i1 %a, %b
|
|
br i1 %c, label %bb1, label %return
|
|
|
|
bb1: ; preds = %entry
|
|
ret i32 4
|
|
|
|
return: ; preds = %entry
|
|
ret i32 192
|
|
; CHECK: test3:
|
|
; CHECK: movl 4(%esp), %eax
|
|
; CHECK-NEXT: orl 8(%esp), %eax
|
|
; CHECK-NEXT: je LBB3_2
|
|
}
|