Fix fcmp + fabs instcombines when using the intrinsic

[oota-llvm.git] / test / Transforms / InstCombine / fcmp.ll

diff --git a/test/Transforms/InstCombine/fcmp.ll b/test/Transforms/InstCombine/fcmp.ll
index afc6782a01220309dc05a9509336aa33d1a9e560..ee39d1084ebcbe616de2a8d037f2d770729d5445 100644 (file)
--- a/test/Transforms/InstCombine/fcmp.ll
+++ b/test/Transforms/InstCombine/fcmp.ll
@@ -1,5 +1,7 @@
 ; RUN: opt -S -instcombine < %s | FileCheck %s
 
+declare double @llvm.fabs.f64(double) nounwind readnone
+
 define i1 @test1(float %x, float %y) nounwind {
   %ext1 = fpext float %x to double
   %ext2 = fpext float %y to double
@@ -81,6 +83,16 @@ define i32 @test9(double %a) nounwind {
 ; CHECK: ret i32 0
 }
 
+define i32 @test9_intrinsic(double %a) nounwind {
+  %call = tail call double @llvm.fabs.f64(double %a) nounwind
+  %cmp = fcmp olt double %call, 0.000000e+00
+  %conv = zext i1 %cmp to i32
+  ret i32 %conv
+; CHECK-LABEL: @test9_intrinsic(
+; CHECK-NOT: fabs
+; CHECK: ret i32 0
+}
+
 define i32 @test10(double %a) nounwind {
   %call = tail call double @fabs(double %a) nounwind
   %cmp = fcmp ole double %call, 0.000000e+00
@@ -91,6 +103,16 @@ define i32 @test10(double %a) nounwind {
 ; CHECK: fcmp oeq double %a, 0.000000e+00
 }
 
+define i32 @test10_intrinsic(double %a) nounwind {
+  %call = tail call double @llvm.fabs.f64(double %a) nounwind
+  %cmp = fcmp ole double %call, 0.000000e+00
+  %conv = zext i1 %cmp to i32
+  ret i32 %conv
+; CHECK-LABEL: @test10_intrinsic(
+; CHECK-NOT: fabs
+; CHECK: fcmp oeq double %a, 0.000000e+00
+}
+
 define i32 @test11(double %a) nounwind {
   %call = tail call double @fabs(double %a) nounwind
   %cmp = fcmp ogt double %call, 0.000000e+00
@@ -101,6 +123,16 @@ define i32 @test11(double %a) nounwind {
 ; CHECK: fcmp one double %a, 0.000000e+00
 }
 
+define i32 @test11_intrinsic(double %a) nounwind {
+  %call = tail call double @llvm.fabs.f64(double %a) nounwind
+  %cmp = fcmp ogt double %call, 0.000000e+00
+  %conv = zext i1 %cmp to i32
+  ret i32 %conv
+; CHECK-LABEL: @test11_intrinsic(
+; CHECK-NOT: fabs
+; CHECK: fcmp one double %a, 0.000000e+00
+}
+
 define i32 @test12(double %a) nounwind {
   %call = tail call double @fabs(double %a) nounwind
   %cmp = fcmp oge double %call, 0.000000e+00
@@ -111,6 +143,16 @@ define i32 @test12(double %a) nounwind {
 ; CHECK: fcmp ord double %a, 0.000000e+00
 }
 
+define i32 @test12_intrinsic(double %a) nounwind {
+  %call = tail call double @llvm.fabs.f64(double %a) nounwind
+  %cmp = fcmp oge double %call, 0.000000e+00
+  %conv = zext i1 %cmp to i32
+  ret i32 %conv
+; CHECK-LABEL: @test12_intrinsic(
+; CHECK-NOT: fabs
+; CHECK: fcmp ord double %a, 0.000000e+00
+}
+
 define i32 @test13(double %a) nounwind {
   %call = tail call double @fabs(double %a) nounwind
   %cmp = fcmp une double %call, 0.000000e+00
@@ -121,6 +163,16 @@ define i32 @test13(double %a) nounwind {
 ; CHECK: fcmp une double %a, 0.000000e+00
 }
 
+define i32 @test13_intrinsic(double %a) nounwind {
+  %call = tail call double @llvm.fabs.f64(double %a) nounwind
+  %cmp = fcmp une double %call, 0.000000e+00
+  %conv = zext i1 %cmp to i32
+  ret i32 %conv
+; CHECK-LABEL: @test13_intrinsic(
+; CHECK-NOT: fabs
+; CHECK: fcmp une double %a, 0.000000e+00
+}
+
 define i32 @test14(double %a) nounwind {
   %call = tail call double @fabs(double %a) nounwind
   %cmp = fcmp oeq double %call, 0.000000e+00
@@ -131,6 +183,16 @@ define i32 @test14(double %a) nounwind {
 ; CHECK: fcmp oeq double %a, 0.000000e+00
 }
 
+define i32 @test14_intrinsic(double %a) nounwind {
+  %call = tail call double @llvm.fabs.f64(double %a) nounwind
+  %cmp = fcmp oeq double %call, 0.000000e+00
+  %conv = zext i1 %cmp to i32
+  ret i32 %conv
+; CHECK-LABEL: @test14_intrinsic(
+; CHECK-NOT: fabs
+; CHECK: fcmp oeq double %a, 0.000000e+00
+}
+
 define i32 @test15(double %a) nounwind {
   %call = tail call double @fabs(double %a) nounwind
   %cmp = fcmp one double %call, 0.000000e+00
@@ -141,6 +203,16 @@ define i32 @test15(double %a) nounwind {
 ; CHECK: fcmp one double %a, 0.000000e+00
 }
 
+define i32 @test15_intrinsic(double %a) nounwind {
+  %call = tail call double @llvm.fabs.f64(double %a) nounwind
+  %cmp = fcmp one double %call, 0.000000e+00
+  %conv = zext i1 %cmp to i32
+  ret i32 %conv
+; CHECK-LABEL: @test15_intrinsic(
+; CHECK-NOT: fabs
+; CHECK: fcmp one double %a, 0.000000e+00
+}
+
 define i32 @test16(double %a) nounwind {
   %call = tail call double @fabs(double %a) nounwind
   %cmp = fcmp ueq double %call, 0.000000e+00
@@ -151,6 +223,16 @@ define i32 @test16(double %a) nounwind {
 ; CHECK: fcmp ueq double %a, 0.000000e+00
 }
 
+define i32 @test16_intrinsic(double %a) nounwind {
+  %call = tail call double @llvm.fabs.f64(double %a) nounwind
+  %cmp = fcmp ueq double %call, 0.000000e+00
+  %conv = zext i1 %cmp to i32
+  ret i32 %conv
+; CHECK-LABEL: @test16_intrinsic(
+; CHECK-NOT: fabs
+; CHECK: fcmp ueq double %a, 0.000000e+00
+}
+
 ; Don't crash.
 define i32 @test17(double %a, double (double)* %p) nounwind {
   %call = tail call double %p(double %a) nounwind