Temporarily Revert "Add basic loop fusion pass."

As it's causing some bot failures (and per request from kbarton).

This reverts commit r358543/ab70da07286e618016e78247e4a24fcb84077fda.

llvm-svn: 358546

1 files changed, 0 insertions, 54 deletions

diff --git a/llvm/test/Transforms/InstCombine/sqrt.ll b/llvm/test/Transforms/InstCombine/sqrt.ll
deleted file mode 100644
index bf44e4f841c..00000000000
--- a/llvm/test/Transforms/InstCombine/sqrt.ll
+++ /dev/null
@@ -1,54 +0,0 @@
-; RUN: opt -S -instcombine < %s | FileCheck %s
-
-define float @test1(float %x) nounwind readnone ssp {
-entry:
-; CHECK-LABEL: @test1(
-; CHECK-NOT: fpext
-; CHECK-NOT: sqrt(
-; CHECK: sqrtf(
-; CHECK-NOT: fptrunc
-  %conv = fpext float %x to double                ; <double> [#uses=1]
-  %call = tail call double @sqrt(double %conv) readnone nounwind ; <double> [#uses=1]
-  %conv1 = fptrunc double %call to float          ; <float> [#uses=1]
-; CHECK: ret float
-  ret float %conv1
-}
-
-; PR8096
-define float @test2(float %x) nounwind readnone ssp {
-entry:
-; CHECK-LABEL: @test2(
-; CHECK-NOT: fpext
-; CHECK-NOT: sqrt(
-; CHECK: sqrtf(
-; CHECK-NOT: fptrunc
-  %conv = fpext float %x to double                ; <double> [#uses=1]
-  %call = tail call double @sqrt(double %conv) nounwind ; <double> [#uses=1]
-  %conv1 = fptrunc double %call to float          ; <float> [#uses=1]
-; CHECK: ret float
-  ret float %conv1
-}
-
-; rdar://9763193
-; Can't fold (fptrunc (sqrt (fpext x))) -> (sqrtf x) since there is another
-; use of sqrt result.
-define float @test3(float* %v) nounwind uwtable ssp {
-entry:
-; CHECK-LABEL: @test3(
-; CHECK: sqrt(
-; CHECK-NOT: sqrtf(
-; CHECK: fptrunc
-  %arrayidx13 = getelementptr inbounds float, float* %v, i64 2
-  %tmp14 = load float, float* %arrayidx13
-  %mul18 = fmul float %tmp14, %tmp14
-  %add19 = fadd float undef, %mul18
-  %conv = fpext float %add19 to double
-  %call34 = call double @sqrt(double %conv) readnone
-  %call36 = call i32 (double) @foo(double %call34) nounwind
-  %conv38 = fptrunc double %call34 to float
-  ret float %conv38
-}
-
-declare i32 @foo(double)
-
-declare double @sqrt(double) readnone