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convert xor2 to filecheck, merge in a random regtest

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83796 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2009-10-11 21:42:08 +00:00
parent a249847008
commit 833f0cc57f
2 changed files with 16 additions and 13 deletions
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12
test/Transforms/InstCombine/2006-11-27-XorBug.ll
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@ -1,12 +0,0 @@
; RUN: opt < %s -instcombine -S | grep and.*32
; RUN: opt < %s -instcombine -S | \
; RUN: not grep or.*153
; PR1014
define i32 @test(i32 %tmp1) {
%ovm = and i32 %tmp1, 32 ; <i32> [#uses=1]
%ov3 = add i32 %ovm, 145 ; <i32> [#uses=1]
%ov110 = xor i32 %ov3, 153 ; <i32> [#uses=1]
ret i32 %ov110
}

17
test/Transforms/InstCombine/xor2.ll
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@ -1,17 +1,32 @@
; This test makes sure that these instructions are properly eliminated.
;
; RUN: opt < %s -instcombine -S | not grep {xor }
; RUN: opt < %s -instcombine -S | FileCheck %s
; PR1253
define i1 @test0(i32 %A) {
; CHECK: @test0
; CHECK: %C = icmp slt i32 %A, 0
%B = xor i32 %A, -2147483648
%C = icmp sgt i32 %B, -1
ret i1 %C
}
define i1 @test1(i32 %A) {
; CHECK: @test1
; CHECK: %C = icmp slt i32 %A, 0
%B = xor i32 %A, 12345
%C = icmp slt i32 %B, 0
ret i1 %C
}
; PR1014
define i32 @test2(i32 %tmp1) {
; CHECK: @test2
; CHECK-NEXT: or i32 %tmp1, 8
; CHECK-NEXT: and i32
; CHECK-NEXT: ret i32
%ovm = and i32 %tmp1, 32
%ov3 = add i32 %ovm, 145
%ov110 = xor i32 %ov3, 153
ret i32 %ov110
}