Vendor import of llvm trunk r178860:

http://llvm.org/svn/llvm-project/llvm/trunk@178860

1 files changed, 80 insertions, 0 deletions

diff --git a/test/Transforms/InstCombine/double-float-shrink-2.ll b/test/Transforms/InstCombine/double-float-shrink-2.ll
new file mode 100644
index 0000000..7f6df92
--- /dev/null
+++ b/test/Transforms/InstCombine/double-float-shrink-2.ll
@@ -0,0 +1,80 @@
+; RUN: opt < %s -instcombine -S -mtriple "i386-pc-linux" | FileCheck -check-prefix=DO-SIMPLIFY %s
+; RUN: opt < %s -instcombine -S -mtriple "i386-pc-win32" | FileCheck -check-prefix=DONT-SIMPLIFY %s
+; RUN: opt < %s -instcombine -S -mtriple "x86_64-pc-win32" | FileCheck -check-prefix=C89-SIMPLIFY %s
+; RUN: opt < %s -instcombine -S -mtriple "i386-pc-mingw32" | FileCheck -check-prefix=DO-SIMPLIFY %s
+; RUN: opt < %s -instcombine -S -mtriple "x86_64-pc-mingw32" | FileCheck -check-prefix=DO-SIMPLIFY %s
+; RUN: opt < %s -instcombine -S -mtriple "sparc-sun-solaris" | FileCheck -check-prefix=DO-SIMPLIFY %s
+
+; DO-SIMPLIFY: call float @floorf(
+; DO-SIMPLIFY: call float @ceilf(
+; DO-SIMPLIFY: call float @roundf(
+; DO-SIMPLIFY: call float @nearbyintf(
+; DO-SIMPLIFY: call float @truncf(
+; DO-SIMPLIFY: call float @fabsf(
+
+; C89-SIMPLIFY: call float @floorf(
+; C89-SIMPLIFY: call float @ceilf(
+; C89-SIMPLIFY: call double @round(
+; C89-SIMPLIFY: call double @nearbyint(
+
+; DONT-SIMPLIFY: call double @floor(
+; DONT-SIMPLIFY: call double @ceil(
+; DONT-SIMPLIFY: call double @round(
+; DONT-SIMPLIFY: call double @nearbyint(
+; DONT-SIMPLIFY: call double @trunc(
+; DONT-SIMPLIFY: call double @fabs(
+
+declare double @floor(double)
+declare double @ceil(double)
+declare double @round(double)
+declare double @nearbyint(double)
+declare double @trunc(double)
+declare double @fabs(double)
+
+define float @test_floor(float %C) {
+  %D = fpext float %C to double
+  ; --> floorf
+  %E = call double @floor(double %D)
+  %F = fptrunc double %E to float
+  ret float %F
+}
+
+define float @test_ceil(float %C) {
+  %D = fpext float %C to double
+  ; --> ceilf
+  %E = call double @ceil(double %D)
+  %F = fptrunc double %E to float
+  ret float %F
+}
+
+define float @test_round(float %C) {
+  %D = fpext float %C to double
+  ; --> roundf
+  %E = call double @round(double %D)
+  %F = fptrunc double %E to float
+  ret float %F
+}
+
+define float @test_nearbyint(float %C) {
+  %D = fpext float %C to double
+  ; --> nearbyintf
+  %E = call double @nearbyint(double %D)
+  %F = fptrunc double %E to float
+  ret float %F
+}
+
+define float @test_trunc(float %C) {
+  %D = fpext float %C to double
+  ; --> truncf
+  %E = call double @trunc(double %D)
+  %F = fptrunc double %E to float
+  ret float %F
+}
+
+define float @test_fabs(float %C) {
+  %D = fpext float %C to double
+  ; --> fabsf
+  %E = call double @fabs(double %D)
+  %F = fptrunc double %E to float
+  ret float %F
+}