Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/Transforms/InstCombine/fpcast.ll

@@ -1,95 +0,0 @@
-; Test some floating point casting cases
-; RUN: opt < %s -instcombine -S | FileCheck %s
-
-define i8 @test1() {
-        %x = fptoui float 2.550000e+02 to i8            ; <i8> [#uses=1]
-        ret i8 %x
-; CHECK: ret i8 -1
-}
-
-define i8 @test2() {
-        %x = fptosi float -1.000000e+00 to i8           ; <i8> [#uses=1]
-        ret i8 %x
-; CHECK: ret i8 -1
-}
-
-; CHECK: test3
-define half @test3(float %a) {
-; CHECK: fptrunc
-; CHECK: llvm.fabs.f16
-  %b = call float @llvm.fabs.f32(float %a)
-  %c = fptrunc float %b to half
-  ret half %c
-}
-
-; CHECK: test4
-define half @test4(float %a) {
-; CHECK: fptrunc
-; CHECK: fsub
-  %b = fsub float -0.0, %a
-  %c = fptrunc float %b to half
-  ret half %c
-}
-
-; CHECK: test4-fast
-define half @test4-fast(float %a) {
-; CHECK: fptrunc
-; CHECK: fsub fast
-  %b = fsub fast float -0.0, %a
-  %c = fptrunc float %b to half
-  ret half %c
-}
-
-; CHECK: test5
-define half @test5(float %a, float %b, float %c) {
-; CHECK: fcmp ogt
-; CHECK: fptrunc
-; CHECK: select
-; CHECK: half 0xH3C00
-  %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) {
-  %frem = frem <1 x double> %V, %V
-  %trunc = fptrunc <1 x double> %frem to <1 x float>
-  ret <1 x float> %trunc
-; 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
-}
-
-define float @test7(double %V) {
-  %frem = frem double %V, 1.000000e+00
-  %trunc = fptrunc double %frem to float
-  ret float %trunc
-; 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
-}
-
-define float @test8(float %V) {
-  %fext = fpext float %V to double
-  %frem = frem double %fext, 1.000000e-01
-  %trunc = fptrunc double %frem to float
-  ret float %trunc
-; 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
-}
-
-; CHECK-LABEL: @test_fptrunc_fptrunc
-; CHECK-NOT: fptrunc double {{.*}} to half
-define half @test_fptrunc_fptrunc(double %V) {
-  %t1 = fptrunc double %V to float
-  %t2 = fptrunc float %t1 to half
-  ret half %t2
-}