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, 125 deletions

diff --git a/llvm/test/Transforms/InstCombine/fpcast.ll b/llvm/test/Transforms/InstCombine/fpcast.ll
deleted file mode 100644
index bfc1de4ff6d..00000000000
--- a/llvm/test/Transforms/InstCombine/fpcast.ll
+++ /dev/null
@@ -1,125 +0,0 @@
-; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; Test some floating point casting cases
-; RUN: opt < %s -instcombine -S | FileCheck %s
-
-define i8 @test1() {
-; CHECK-LABEL: @test1(
-; CHECK-NEXT:    ret i8 -1
-;
-  %x = fptoui float 2.550000e+02 to i8
-  ret i8 %x
-}
-
-define i8 @test2() {
-; CHECK-LABEL: @test2(
-; CHECK-NEXT:    ret i8 -1
-;
-  %x = fptosi float -1.000000e+00 to i8
-  ret i8 %x
-}
-
-define half @test3(float %a) {
-; CHECK-LABEL: @test3(
-; CHECK-NEXT:    [[TMP1:%.*]] = fptrunc float [[A:%.*]] to half
-; CHECK-NEXT:    [[C:%.*]] = call half @llvm.fabs.f16(half [[TMP1]])
-; CHECK-NEXT:    ret half [[C]]
-;
-  %b = call float @llvm.fabs.f32(float %a)
-  %c = fptrunc float %b to half
-  ret half %c
-}
-
-define half @fneg_fptrunc(float %a) {
-; CHECK-LABEL: @fneg_fptrunc(
-; CHECK-NEXT:    [[TMP1:%.*]] = fptrunc float [[A:%.*]] to half
-; CHECK-NEXT:    [[C:%.*]] = fsub half 0xH8000, [[TMP1]]
-; CHECK-NEXT:    ret half [[C]]
-;
-  %b = fsub float -0.0, %a
-  %c = fptrunc float %b to half
-  ret half %c
-}
-
-define <2 x half> @fneg_fptrunc_vec_undef(<2 x float> %a) {
-; CHECK-LABEL: @fneg_fptrunc_vec_undef(
-; CHECK-NEXT:    [[TMP1:%.*]] = fptrunc <2 x float> [[A:%.*]] to <2 x half>
-; CHECK-NEXT:    [[C:%.*]] = fsub <2 x half> <half 0xH8000, half 0xH8000>, [[TMP1]]
-; CHECK-NEXT:    ret <2 x half> [[C]]
-;
-  %b = fsub <2 x float> <float -0.0, float undef>, %a
-  %c = fptrunc <2 x float> %b to <2 x half>
-  ret <2 x half> %c
-}
-
-define half @test4-fast(float %a) {
-; CHECK-LABEL: @test4-fast(
-; CHECK-NEXT:    [[TMP1:%.*]] = fptrunc float [[A:%.*]] to half
-; CHECK-NEXT:    [[C:%.*]] = fsub fast half 0xH8000, [[TMP1]]
-; CHECK-NEXT:    ret half [[C]]
-;
-  %b = fsub fast float -0.0, %a
-  %c = fptrunc float %b to half
-  ret half %c
-}
-
-define half @test5(float %a, float %b, float %c) {
-; CHECK-LABEL: @test5(
-; CHECK-NEXT:    [[D:%.*]] = fcmp ogt float [[A:%.*]], [[B:%.*]]
-; CHECK-NEXT:    [[E:%.*]] = select i1 [[D]], float [[C:%.*]], float 1.000000e+00
-; CHECK-NEXT:    [[F:%.*]] = fptrunc float [[E]] to half
-; CHECK-NEXT:    ret half [[F]]
-;
-  %d = fcmp ogt float %a, %b
-  %e = select i1 %d, float %c, float 1.0
-  %f = fptrunc float %e to half
-  ret half %f
-}
-
-declare float @llvm.fabs.f32(float) nounwind readonly
-
-define <1 x float> @test6(<1 x double> %V) {
-; CHECK-LABEL: @test6(
-; CHECK-NEXT:    [[FREM:%.*]] = frem <1 x double> [[V:%.*]], [[V]]
-; CHECK-NEXT:    [[TRUNC:%.*]] = fptrunc <1 x double> [[FREM]] to <1 x float>
-; CHECK-NEXT:    ret <1 x float> [[TRUNC]]
-;
-  %frem = frem <1 x double> %V, %V
-  %trunc = fptrunc <1 x double> %frem to <1 x float>
-  ret <1 x float> %trunc
-}
-
-define float @test7(double %V) {
-; CHECK-LABEL: @test7(
-; CHECK-NEXT:    [[FREM:%.*]] = frem double [[V:%.*]], 1.000000e+00
-; CHECK-NEXT:    [[TRUNC:%.*]] = fptrunc double [[FREM]] to float
-; CHECK-NEXT:    ret float [[TRUNC]]
-;
-  %frem = frem double %V, 1.000000e+00
-  %trunc = fptrunc double %frem to float
-  ret float %trunc
-}
-
-define float @test8(float %V) {
-; CHECK-LABEL: @test8(
-; CHECK-NEXT:    [[FEXT:%.*]] = fpext float [[V:%.*]] to double
-; CHECK-NEXT:    [[FREM:%.*]] = frem double [[FEXT]], 1.000000e-01
-; CHECK-NEXT:    [[TRUNC:%.*]] = fptrunc double [[FREM]] to float
-; CHECK-NEXT:    ret float [[TRUNC]]
-;
-  %fext = fpext float %V to double
-  %frem = frem double %fext, 1.000000e-01
-  %trunc = fptrunc double %frem to float
-  ret float %trunc
-}
-
-define half @test_fptrunc_fptrunc(double %V) {
-; CHECK-LABEL: @test_fptrunc_fptrunc(
-; CHECK-NEXT:    [[T1:%.*]] = fptrunc double [[V:%.*]] to float
-; CHECK-NEXT:    [[T2:%.*]] = fptrunc float [[T1]] to half
-; CHECK-NEXT:    ret half [[T2]]
-;
-  %t1 = fptrunc double %V to float
-  %t2 = fptrunc float %t1 to half
-  ret half %t2
-}
-