mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-25 04:02:41 +01:00
90 lines
3.1 KiB
LLVM
90 lines
3.1 KiB
LLVM
; RUN: llc < %s -march=x86 -post-RA-scheduler=false | FileCheck %s
|
|
; rdar://7226797
|
|
|
|
; LLVM should omit the testl and use the flags result from the orl.
|
|
|
|
; CHECK: or:
|
|
define void @or(float* %A, i32 %IA, i32 %N) nounwind {
|
|
entry:
|
|
%0 = ptrtoint float* %A to i32 ; <i32> [#uses=1]
|
|
%1 = and i32 %0, 3 ; <i32> [#uses=1]
|
|
%2 = xor i32 %IA, 1 ; <i32> [#uses=1]
|
|
; CHECK: orl %ecx, %edx
|
|
; CHECK-NEXT: je
|
|
%3 = or i32 %2, %1 ; <i32> [#uses=1]
|
|
%4 = icmp eq i32 %3, 0 ; <i1> [#uses=1]
|
|
br i1 %4, label %return, label %bb
|
|
|
|
bb: ; preds = %entry
|
|
store float 0.000000e+00, float* %A, align 4
|
|
ret void
|
|
|
|
return: ; preds = %entry
|
|
ret void
|
|
}
|
|
; CHECK: xor:
|
|
define void @xor(float* %A, i32 %IA, i32 %N) nounwind {
|
|
entry:
|
|
%0 = ptrtoint float* %A to i32 ; <i32> [#uses=1]
|
|
%1 = and i32 %0, 3 ; <i32> [#uses=1]
|
|
; CHECK: xorl $1, %e
|
|
; CHECK-NEXT: je
|
|
%2 = xor i32 %IA, 1 ; <i32> [#uses=1]
|
|
%3 = xor i32 %2, %1 ; <i32> [#uses=1]
|
|
%4 = icmp eq i32 %3, 0 ; <i1> [#uses=1]
|
|
br i1 %4, label %return, label %bb
|
|
|
|
bb: ; preds = %entry
|
|
store float 0.000000e+00, float* %A, align 4
|
|
ret void
|
|
|
|
return: ; preds = %entry
|
|
ret void
|
|
}
|
|
; CHECK: and:
|
|
define void @and(float* %A, i32 %IA, i32 %N, i8* %p) nounwind {
|
|
entry:
|
|
store i8 0, i8* %p
|
|
%0 = ptrtoint float* %A to i32 ; <i32> [#uses=1]
|
|
%1 = and i32 %0, 3 ; <i32> [#uses=1]
|
|
%2 = xor i32 %IA, 1 ; <i32> [#uses=1]
|
|
; CHECK: andl $3, %
|
|
; CHECK-NEXT: movb %
|
|
; CHECK-NEXT: je
|
|
%3 = and i32 %2, %1 ; <i32> [#uses=1]
|
|
%t = trunc i32 %3 to i8
|
|
store i8 %t, i8* %p
|
|
%4 = icmp eq i32 %3, 0 ; <i1> [#uses=1]
|
|
br i1 %4, label %return, label %bb
|
|
|
|
bb: ; preds = %entry
|
|
store float 0.000000e+00, float* null, align 4
|
|
ret void
|
|
|
|
return: ; preds = %entry
|
|
ret void
|
|
}
|
|
|
|
; Just like @and, but without the trunc+store. This should use a testl
|
|
; instead of an andl.
|
|
; CHECK: test:
|
|
define void @test(float* %A, i32 %IA, i32 %N, i8* %p) nounwind {
|
|
entry:
|
|
store i8 0, i8* %p
|
|
%0 = ptrtoint float* %A to i32 ; <i32> [#uses=1]
|
|
%1 = and i32 %0, 3 ; <i32> [#uses=1]
|
|
%2 = xor i32 %IA, 1 ; <i32> [#uses=1]
|
|
; CHECK: testb $3, %
|
|
; CHECK-NEXT: je
|
|
%3 = and i32 %2, %1 ; <i32> [#uses=1]
|
|
%4 = icmp eq i32 %3, 0 ; <i1> [#uses=1]
|
|
br i1 %4, label %return, label %bb
|
|
|
|
bb: ; preds = %entry
|
|
store float 0.000000e+00, float* null, align 4
|
|
ret void
|
|
|
|
return: ; preds = %entry
|
|
ret void
|
|
}
|