summaryrefslogtreecommitdiff
path: root/test
diff options
context:
space:
mode:
authorBob Wilson <bob.wilson@apple.com>2013-11-03 06:48:38 +0000
committerBob Wilson <bob.wilson@apple.com>2013-11-03 06:48:38 +0000
commit208130f11331eccab26c0a6f3146cd1891e53e33 (patch)
tree12cab7de22cfa409359560285db92ac981595524 /test
parentcb01efb7988d119d6e2aedab1740695aa6a9cc0c (diff)
downloadllvm-208130f11331eccab26c0a6f3146cd1891e53e33.tar.gz
llvm-208130f11331eccab26c0a6f3146cd1891e53e33.tar.bz2
llvm-208130f11331eccab26c0a6f3146cd1891e53e33.tar.xz
Convert calls to __sinpi and __cospi into __sincospi_stret
This adds an SimplifyLibCalls case which converts the special __sinpi and __cospi (float & double variants) into a __sincospi_stret where appropriate to remove duplicated work. Patch by Tim Northover git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193943 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
-rw-r--r--test/Transforms/InstCombine/sincospi.ll91
1 files changed, 91 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/sincospi.ll b/test/Transforms/InstCombine/sincospi.ll
new file mode 100644
index 0000000000..0d1a6027a0
--- /dev/null
+++ b/test/Transforms/InstCombine/sincospi.ll
@@ -0,0 +1,91 @@
+; RUN: opt -instcombine -S < %s -mtriple=x86_64-apple-macosx10.9 | FileCheck %s --check-prefix=CHECK-FLOAT-IN-VEC
+; RUN: opt -instcombine -S < %s -mtriple=arm-apple-ios7.0 | FileCheck %s
+; RUN: opt -instcombine -S < %s -mtriple=x86_64-apple-macosx10.8 | FileCheck %s --check-prefix=CHECK-NO-SINCOS
+; RUN: opt -instcombine -S < %s -mtriple=arm-apple-ios6.0 | FileCheck %s --check-prefix=CHECK-NO-SINCOS
+; RUN: opt -instcombine -S < %s -mtriple=x86_64-none-linux-gnu | FileCheck %s --check-prefix=CHECK-NO-SINCOS
+
+
+attributes #0 = { readnone nounwind }
+
+declare float @__sinpif(float %x) #0
+declare float @__cospif(float %x) #0
+
+declare double @__sinpi(double %x) #0
+declare double @__cospi(double %x) #0
+
+@var32 = global float 0.0
+@var64 = global double 0.0
+
+define float @test_instbased_f32() {
+ %val = load float* @var32
+ %sin = call float @__sinpif(float %val) #0
+ %cos = call float @__cospif(float %val) #0
+ %res = fadd float %sin, %cos
+ ret float %res
+; CHECK-FLOAT-IN-VEC: [[VAL:%[a-z0-9]+]] = load float* @var32
+; CHECK-FLOAT-IN-VEC: [[SINCOS:%[a-z0-9]+]] = call <2 x float> @__sincospi_stretf(float [[VAL]])
+; CHECK-FLOAT-IN-VEC: extractelement <2 x float> [[SINCOS]], i32 0
+; CHECK-FLOAT-IN-VEC: extractelement <2 x float> [[SINCOS]], i32 1
+
+; CHECK: [[VAL:%[a-z0-9]+]] = load float* @var32
+; CHECK: [[SINCOS:%[a-z0-9]+]] = call { float, float } @__sincospi_stretf(float [[VAL]])
+; CHECK: extractvalue { float, float } [[SINCOS]], 0
+; CHECK: extractvalue { float, float } [[SINCOS]], 1
+
+; CHECK-NO-SINCOS: call float @__sinpif
+; CHECK-NO-SINCOS: call float @__cospif
+}
+
+define float @test_constant_f32() {
+ %sin = call float @__sinpif(float 1.0) #0
+ %cos = call float @__cospif(float 1.0) #0
+ %res = fadd float %sin, %cos
+ ret float %res
+; CHECK-FLOAT-IN-VEC: [[SINCOS:%[a-z0-9]+]] = call <2 x float> @__sincospi_stretf(float 1.000000e+00)
+; CHECK-FLOAT-IN-VEC: extractelement <2 x float> [[SINCOS]], i32 0
+; CHECK-FLOAT-IN-VEC: extractelement <2 x float> [[SINCOS]], i32 1
+
+; CHECK: [[SINCOS:%[a-z0-9]+]] = call { float, float } @__sincospi_stretf(float 1.000000e+00)
+; CHECK: extractvalue { float, float } [[SINCOS]], 0
+; CHECK: extractvalue { float, float } [[SINCOS]], 1
+
+; CHECK-NO-SINCOS: call float @__sinpif
+; CHECK-NO-SINCOS: call float @__cospif
+}
+
+define double @test_instbased_f64() {
+ %val = load double* @var64
+ %sin = call double @__sinpi(double %val) #0
+ %cos = call double @__cospi(double %val) #0
+ %res = fadd double %sin, %cos
+ ret double %res
+; CHECK-FLOAT-IN-VEC: [[VAL:%[a-z0-9]+]] = load double* @var64
+; CHECK-FLOAT-IN-VEC: [[SINCOS:%[a-z0-9]+]] = call { double, double } @__sincospi_stret(double [[VAL]])
+; CHECK-FLOAT-IN-VEC: extractvalue { double, double } [[SINCOS]], 0
+; CHECK-FLOAT-IN-VEC: extractvalue { double, double } [[SINCOS]], 1
+
+; CHECK: [[VAL:%[a-z0-9]+]] = load double* @var64
+; CHECK: [[SINCOS:%[a-z0-9]+]] = call { double, double } @__sincospi_stret(double [[VAL]])
+; CHECK: extractvalue { double, double } [[SINCOS]], 0
+; CHECK: extractvalue { double, double } [[SINCOS]], 1
+
+; CHECK-NO-SINCOS: call double @__sinpi
+; CHECK-NO-SINCOS: call double @__cospi
+}
+
+define double @test_constant_f64() {
+ %sin = call double @__sinpi(double 1.0) #0
+ %cos = call double @__cospi(double 1.0) #0
+ %res = fadd double %sin, %cos
+ ret double %res
+; CHECK-FLOAT-IN-VEC: [[SINCOS:%[a-z0-9]+]] = call { double, double } @__sincospi_stret(double 1.000000e+00)
+; CHECK-FLOAT-IN-VEC: extractvalue { double, double } [[SINCOS]], 0
+; CHECK-FLOAT-IN-VEC: extractvalue { double, double } [[SINCOS]], 1
+
+; CHECK: [[SINCOS:%[a-z0-9]+]] = call { double, double } @__sincospi_stret(double 1.000000e+00)
+; CHECK: extractvalue { double, double } [[SINCOS]], 0
+; CHECK: extractvalue { double, double } [[SINCOS]], 1
+
+; CHECK-NO-SINCOS: call double @__sinpi
+; CHECK-NO-SINCOS: call double @__cospi
+}