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[ARM] preserve test intent by removing undef

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We need to clean up the DAG floating-point undef logic.
This process is similar to how we handled integer undef
logic in D43141.

And as we did there, I'm trying to reduce the patch by
changing tests that would probably become meaningless
once we correct FP undef folding.

llvm-svn: 332532
This commit is contained in:
Sanjay Patel 2018-05-16 21:57:00 +00:00
parent 01f763edbe
commit 859ec96bce
1 changed files with 4 additions and 4 deletions
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8
test/CodeGen/ARM/debug-info-branch-folding.ll
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@ -2,7 +2,7 @@
target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:32:64-v128:32:128-a0:0:32-n32"
target triple = "thumbv7-apple-macosx10.6.7"
;CHECK: vadd.f32 q4, q8, q8
;CHECK: vadd.f32 q4, q8, q9
;CHECK-NEXT: LBB0_1
;CHECK: @DEBUG_VALUE: x <- $q4{{$}}
@ -14,14 +14,14 @@ target triple = "thumbv7-apple-macosx10.6.7"
declare <4 x float> @test0001(float) nounwind readnone ssp
define i32 @main(i32 %argc, i8** nocapture %argv, i1 %cond) nounwind ssp !dbg !10 {
define i32 @main(i32 %argc, i8** nocapture %argv, i1 %cond, <4 x float> %x) nounwind ssp !dbg !10 {
entry:
br label %for.body9
for.body9: ; preds = %for.body9, %entry
%add19 = fadd <4 x float> undef, <float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 1.000000e+00>, !dbg !39
%add19 = fadd <4 x float> %x, <float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 1.000000e+00>, !dbg !39
tail call void @llvm.dbg.value(metadata <4 x float> %add19, metadata !27, metadata !DIExpression()), !dbg !39
%add20 = fadd <4 x float> undef, <float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 1.000000e+00>, !dbg !39
%add20 = fadd <4 x float> %x, <float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 1.000000e+00>, !dbg !39
tail call void @llvm.dbg.value(metadata <4 x float> %add20, metadata !28, metadata !DIExpression()), !dbg !39
br i1 %cond, label %for.end54, label %for.body9, !dbg !44