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[X86] Remove icmp undef in more reduced tests 

llvm-svn: 356084
This commit is contained in:
Simon Pilgrim 2019-03-13 19:07:54 +00:00
parent 8f1b825068
commit e15cd7909b
2 changed files with 12 additions and 11 deletions
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10
llvm/test/CodeGen/X86/block-placement.ll
View File

@ -349,7 +349,7 @@ loop.body5:
br label %loop.body3 br label %loop.body3
} }
define void @unnatural_cfg2() { define void @unnatural_cfg2(i32* %p0, i32 %a0) {
; Test that we can handle a loop with a nested natural loop *and* an unnatural ; Test that we can handle a loop with a nested natural loop *and* an unnatural
; loop. This was reduced from a crash on block placement when run over ; loop. This was reduced from a crash on block placement when run over
; single-source GCC. ; single-source GCC.
@ -369,7 +369,7 @@ entry:
br label %loop.header br label %loop.header
loop.header: loop.header:
%comp0 = icmp eq i32* undef, null %comp0 = icmp eq i32* %p0, null
br i1 %comp0, label %bail, label %loop.body1 br i1 %comp0, label %bail, label %loop.body1
loop.body1: loop.body1:
@ -388,7 +388,7 @@ loop.body3:
loop.inner1.begin: loop.inner1.begin:
%valphi = phi i32* [ %val2, %loop.inner1.end ], [ %val1, %loop.body3 ], [ %val0, %loop.body1 ] %valphi = phi i32* [ %val2, %loop.inner1.end ], [ %val1, %loop.body3 ], [ %val0, %loop.body1 ]
%castval = bitcast i32* %valphi to i32* %castval = bitcast i32* %valphi to i32*
%comp1 = icmp eq i32 undef, 48 %comp1 = icmp eq i32 %a0, 48
br i1 %comp1, label %loop.inner1.end, label %loop.body4 br i1 %comp1, label %loop.inner1.end, label %loop.body4
loop.inner1.end: loop.inner1.end:
@ -401,14 +401,14 @@ loop.body4.dead:
br label %loop.body4 br label %loop.body4
loop.body4: loop.body4:
%comp2 = icmp ult i32 undef, 3 %comp2 = icmp ult i32 %a0, 3
br i1 %comp2, label %loop.inner2.begin, label %loop.end br i1 %comp2, label %loop.inner2.begin, label %loop.end
loop.inner2.begin: loop.inner2.begin:
br i1 false, label %loop.end, label %loop.inner2.end br i1 false, label %loop.end, label %loop.inner2.end
loop.inner2.end: loop.inner2.end:
%comp3 = icmp eq i32 undef, 1769472 %comp3 = icmp eq i32 %a0, 1769472
br i1 %comp3, label %loop.end, label %loop.inner2.begin br i1 %comp3, label %loop.end, label %loop.inner2.begin
loop.end: loop.end:

13
llvm/test/CodeGen/X86/sext-i1.ll
View File

@ -39,13 +39,14 @@ define i32 @t2(i32 %x) nounwind readnone ssp {
ret i32 %if ret i32 %if
} }
define i32 @t3(i32 %x) nounwind readonly { define i32 @t3(i32 %x, i64 %y) nounwind readonly {
; X32-LABEL: t3: ; X32-LABEL: t3:
; X32: # %bb.0: # %entry ; X32: # %bb.0: # %entry
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
; X32-NEXT: cmpl $1, {{[0-9]+}}(%esp) ; X32-NEXT: cmpl $1, {{[0-9]+}}(%esp)
; X32-NEXT: sbbl %eax, %eax ; X32-NEXT: sbbl %ecx, %ecx
; X32-NEXT: cmpl %eax, %eax ; X32-NEXT: cmpl %ecx, {{[0-9]+}}(%esp)
; X32-NEXT: sbbl %eax, %eax ; X32-NEXT: sbbl %ecx, %eax
; X32-NEXT: xorl %eax, %eax ; X32-NEXT: xorl %eax, %eax
; X32-NEXT: retl ; X32-NEXT: retl
; ;
@ -55,7 +56,7 @@ define i32 @t3(i32 %x) nounwind readonly {
; X64-NEXT: testl %edi, %edi ; X64-NEXT: testl %edi, %edi
; X64-NEXT: sete %al ; X64-NEXT: sete %al
; X64-NEXT: negq %rax ; X64-NEXT: negq %rax
; X64-NEXT: cmpq %rax, %rax ; X64-NEXT: cmpq %rax, %rsi
; X64-NEXT: xorl %eax, %eax ; X64-NEXT: xorl %eax, %eax
; X64-NEXT: retq ; X64-NEXT: retq
entry: entry:
@ -63,7 +64,7 @@ entry:
%cond = sext i1 %not.tobool to i32 %cond = sext i1 %not.tobool to i32
%conv = sext i1 %not.tobool to i64 %conv = sext i1 %not.tobool to i64
%add13 = add i64 0, %conv %add13 = add i64 0, %conv
%cmp = icmp ult i64 undef, %add13 %cmp = icmp ult i64 %y, %add13
br i1 %cmp, label %if.then, label %if.end br i1 %cmp, label %if.then, label %if.end
if.then: if.then: