Commit tests for changes in revision D41608

llvm-svn: 353037

1 files changed, 91 insertions, 0 deletions

diff --git a/llvm/test/Transforms/InstCombine/fmul-pow.ll b/llvm/test/Transforms/InstCombine/fmul-pow.ll
new file mode 100644
index 00000000000..c85994cea71
--- /dev/null
+++ b/llvm/test/Transforms/InstCombine/fmul-pow.ll
@@ -0,0 +1,91 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt -S -instcombine < %s | FileCheck %s
+
+declare double @llvm.pow.f64(double, double)
+
+define double @pow_ab_a(double %a, double %b)  {
+; CHECK-LABEL: @pow_ab_a(
+; CHECK-NEXT:    [[TMP1:%.*]] = call double @llvm.pow.f64(double [[A:%.*]], double [[B:%.*]])
+; CHECK-NEXT:    [[MUL:%.*]] = fmul double [[TMP1]], [[A]]
+; CHECK-NEXT:    ret double [[MUL]]
+;
+  %1 = call double @llvm.pow.f64(double %a, double %b)
+  %mul = fmul double %1, %a
+  ret double %mul
+}
+
+define double @pow_ab_a_reassoc(double %a, double %b)  {
+; CHECK-LABEL: @pow_ab_a_reassoc(
+; CHECK-NEXT:    [[TMP1:%.*]] = call double @llvm.pow.f64(double [[A:%.*]], double [[B:%.*]])
+; CHECK-NEXT:    [[MUL:%.*]] = fmul reassoc double [[TMP1]], [[A]]
+; CHECK-NEXT:    ret double [[MUL]]
+;
+  %1 = call double @llvm.pow.f64(double %a, double %b)
+  %mul = fmul reassoc double %1, %a
+  ret double %mul
+}
+
+define double @pow_ab_a_reassoc_commute(double %a, double %b)  {
+; CHECK-LABEL: @pow_ab_a_reassoc_commute(
+; CHECK-NEXT:    [[TMP1:%.*]] = fdiv double 1.000000e+00, [[A:%.*]]
+; CHECK-NEXT:    [[TMP2:%.*]] = call double @llvm.pow.f64(double [[A]], double [[B:%.*]])
+; CHECK-NEXT:    [[MUL:%.*]] = fmul reassoc double [[TMP1]], [[TMP2]]
+; CHECK-NEXT:    ret double [[MUL]]
+;
+  %1 = fdiv double 1.0, %a
+  %2 = call double @llvm.pow.f64(double %a, double %b)
+  %mul = fmul reassoc double %1, %2
+  ret double %mul
+}
+
+define double @pow_ab_pow_cb(double %a, double %b, double %c) {
+; CHECK-LABEL: @pow_ab_pow_cb(
+; CHECK-NEXT:    [[TMP1:%.*]] = call double @llvm.pow.f64(double [[A:%.*]], double [[B:%.*]])
+; CHECK-NEXT:    [[TMP2:%.*]] = call double @llvm.pow.f64(double [[C:%.*]], double [[B]])
+; CHECK-NEXT:    [[MUL:%.*]] = fmul double [[TMP2]], [[TMP1]]
+; CHECK-NEXT:    ret double [[MUL]]
+;
+  %1 = call double @llvm.pow.f64(double %a, double %b)
+  %2 = call double @llvm.pow.f64(double %c, double %b)
+  %mul = fmul double %2, %1
+  ret double %mul
+}
+
+define double @pow_ab_pow_cb_reassoc(double %a, double %b, double %c) {
+; CHECK-LABEL: @pow_ab_pow_cb_reassoc(
+; CHECK-NEXT:    [[TMP1:%.*]] = call double @llvm.pow.f64(double [[A:%.*]], double [[B:%.*]])
+; CHECK-NEXT:    [[TMP2:%.*]] = call double @llvm.pow.f64(double [[C:%.*]], double [[B]])
+; CHECK-NEXT:    [[MUL:%.*]] = fmul reassoc double [[TMP2]], [[TMP1]]
+; CHECK-NEXT:    ret double [[MUL]]
+;
+  %1 = call double @llvm.pow.f64(double %a, double %b)
+  %2 = call double @llvm.pow.f64(double %c, double %b)
+  %mul = fmul reassoc double %2, %1
+  ret double %mul
+}
+
+define double @pow_ab_pow_ac(double %a, double %b, double %c) {
+; CHECK-LABEL: @pow_ab_pow_ac(
+; CHECK-NEXT:    [[TMP1:%.*]] = call double @llvm.pow.f64(double [[A:%.*]], double [[B:%.*]])
+; CHECK-NEXT:    [[TMP2:%.*]] = call double @llvm.pow.f64(double [[A]], double [[C:%.*]])
+; CHECK-NEXT:    [[MUL:%.*]] = fmul double [[TMP2]], [[TMP1]]
+; CHECK-NEXT:    ret double [[MUL]]
+;
+  %1 = call double @llvm.pow.f64(double %a, double %b)
+  %2 = call double @llvm.pow.f64(double %a, double %c)
+  %mul = fmul double %2, %1
+  ret double %mul
+}
+
+define double @pow_ab_x_pow_ac_reassoc(double %a, double %b, double %c) {
+; CHECK-LABEL: @pow_ab_x_pow_ac_reassoc(
+; CHECK-NEXT:    [[TMP1:%.*]] = call double @llvm.pow.f64(double [[A:%.*]], double [[B:%.*]])
+; CHECK-NEXT:    [[TMP2:%.*]] = call double @llvm.pow.f64(double [[A]], double [[C:%.*]])
+; CHECK-NEXT:    [[MUL:%.*]] = fmul reassoc double [[TMP2]], [[TMP1]]
+; CHECK-NEXT:    ret double [[MUL]]
+;
+  %1 = call double @llvm.pow.f64(double %a, double %b)
+  %2 = call double @llvm.pow.f64(double %a, double %c)
+  %mul = fmul reassoc double %2, %1
+  ret double %mul
+}