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Diffstat (limited to 'llvm/test/Transforms/InstCombine/fpcast.ll')
-rw-r--r-- | llvm/test/Transforms/InstCombine/fpcast.ll | 125 |
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 -} - |