Update aosp/master LLVM for rebase to r239765

[android-x86/external-llvm.git] / test / Transforms / InstCombine / fpcast.ll

diff --git a/test/Transforms/InstCombine/fpcast.ll b/test/Transforms/InstCombine/fpcast.ll
index 05d1b48..93a64e6 100644 (file)
--- a/test/Transforms/InstCombine/fpcast.ll
+++ b/test/Transforms/InstCombine/fpcast.ll
@@ -31,6 +31,15 @@ define half @test4(float %a) {
   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
@@ -44,3 +53,43 @@ define half @test5(float %a, float %b, float %c) {
 }
 
 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
+}