[InstCombine, NewGVN] remove FP undef from tests

I'm trying to preserve the intent of these tests by using 
non-undef operands; if we fix FP undef folding these tests
will not pass.

llvm-svn: 327004
This commit is contained in:
Sanjay Patel 2018-03-08 14:57:08 +00:00
parent 9e2c8a9db1
commit 4ad3c32144
2 changed files with 3 additions and 3 deletions

View File

@ -15,7 +15,7 @@ entry:
%cmp86 = fcmp ogt double %highlights, 0.000000e+00
%cond90 = select i1 %cmp86, double %sub24, double %add26
%mul91 = fmul double %highlights, %cond90
%add94 = fadd double undef, %mul91
%add94 = fadd double %mul91, %mul91
ret double %add94
}

View File

@ -6,7 +6,7 @@ define hidden void @foo() {
; CHECK-NEXT: br label [[IF:%.*]]
; CHECK: if:
; CHECK-NEXT: [[TMP0:%.*]] = phi double [ [[TMP1:%.*]], [[IF]] ], [ undef, [[TOP:%.*]] ]
; CHECK-NEXT: [[TMP1]] = fadd double [[TMP0]], undef
; CHECK-NEXT: [[TMP1]] = fadd double [[TMP0]], 1.000000e+00
; CHECK-NEXT: br i1 false, label [[L50:%.*]], label [[IF]]
; CHECK: L50:
; CHECK-NEXT: store i8 undef, i8* null
@ -22,7 +22,7 @@ top:
if: ; preds = %if, %top
%0 = phi double [ %1, %if ], [ %.promoted, %top ]
%1 = fadd double %0, undef
%1 = fadd double %0, 1.0
br i1 false, label %L50, label %if
L50: ; preds = %if