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; RUN: llc < %s -mcpu=generic -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 %e
; 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 testb
; 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
}
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