X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=test%2FTransforms%2FInstCombine%2Ffcmp.ll;h=afc6782a01220309dc05a9509336aa33d1a9e560;hb=b55dcfe47fbbcfc1dccd07cb27c02b9a86533d05;hp=2eb4f058692d9e11fcd39ef26297be7493affb90;hpb=7ebdc37d2bbfc62ff7957b346bb3a91eb6044d5f;p=oota-llvm.git

diff --git a/test/Transforms/InstCombine/fcmp.ll b/test/Transforms/InstCombine/fcmp.ll
index 2eb4f058692..afc6782a012 100644
--- a/test/Transforms/InstCombine/fcmp.ll
+++ b/test/Transforms/InstCombine/fcmp.ll
@@ -5,7 +5,7 @@ define i1 @test1(float %x, float %y) nounwind {
   %ext2 = fpext float %y to double
   %cmp = fcmp ogt double %ext1, %ext2
   ret i1 %cmp
-; CHECK: @test1
+; CHECK-LABEL: @test1(
 ; CHECK-NEXT: fcmp ogt float %x, %y
 }
 
@@ -13,7 +13,7 @@ define i1 @test2(float %a) nounwind {
   %ext = fpext float %a to double
   %cmp = fcmp ogt double %ext, 1.000000e+00
   ret i1 %cmp
-; CHECK: @test2
+; CHECK-LABEL: @test2(
 ; CHECK-NEXT: fcmp ogt float %a, 1.0
 }
 
@@ -21,7 +21,7 @@ define i1 @test3(float %a) nounwind {
   %ext = fpext float %a to double
   %cmp = fcmp ogt double %ext, 0x3FF0000000000001 ; more precision than float.
   ret i1 %cmp
-; CHECK: @test3
+; CHECK-LABEL: @test3(
 ; CHECK-NEXT: fpext float %a to double
 }
 
@@ -29,7 +29,7 @@ define i1 @test4(float %a) nounwind {
   %ext = fpext float %a to double
   %cmp = fcmp ogt double %ext, 0x36A0000000000000 ; denormal in float.
   ret i1 %cmp
-; CHECK: @test4
+; CHECK-LABEL: @test4(
 ; CHECK-NEXT: fpext float %a to double
 }
 
@@ -37,7 +37,7 @@ define i1 @test5(float %a) nounwind {
   %neg = fsub float -0.000000e+00, %a
   %cmp = fcmp ogt float %neg, 1.000000e+00
   ret i1 %cmp
-; CHECK: @test5
+; CHECK-LABEL: @test5(
 ; CHECK-NEXT: fcmp olt float %a, -1.0
 }
 
@@ -46,7 +46,7 @@ define i1 @test6(float %x, float %y) nounwind {
   %neg2 = fsub float -0.000000e+00, %y
   %cmp = fcmp olt float %neg1, %neg2
   ret i1 %cmp
-; CHECK: @test6
+; CHECK-LABEL: @test6(
 ; CHECK-NEXT: fcmp ogt float %x, %y
 }
 
@@ -54,7 +54,107 @@ define i1 @test7(float %x) nounwind readnone ssp noredzone {
   %ext = fpext float %x to ppc_fp128
   %cmp = fcmp ogt ppc_fp128 %ext, 0xM00000000000000000000000000000000
   ret i1 %cmp
-; Can't convert ppc_fp128
-; CHECK: @test7
-; CHECK-NEXT: fpext float %x to ppc_fp128
+; CHECK-LABEL: @test7(
+; CHECK-NEXT: fcmp ogt float %x, 0.000000e+00
+}
+
+define float @test8(float %x) nounwind readnone optsize ssp {
+  %conv = fpext float %x to double
+  %cmp = fcmp olt double %conv, 0.000000e+00
+  %conv1 = zext i1 %cmp to i32
+  %conv2 = sitofp i32 %conv1 to float
+  ret float %conv2
+; Float comparison to zero shouldn't cast to double.
+; CHECK-LABEL: @test8(
+; CHECK-NEXT: fcmp olt float %x, 0.000000e+00
+}
+
+declare double @fabs(double) nounwind readnone
+
+define i32 @test9(double %a) nounwind {
+  %call = tail call double @fabs(double %a) nounwind
+  %cmp = fcmp olt double %call, 0.000000e+00
+  %conv = zext i1 %cmp to i32
+  ret i32 %conv
+; CHECK-LABEL: @test9(
+; 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
+  %conv = zext i1 %cmp to i32
+  ret i32 %conv
+; CHECK-LABEL: @test10(
+; 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
+  %conv = zext i1 %cmp to i32
+  ret i32 %conv
+; CHECK-LABEL: @test11(
+; 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
+  %conv = zext i1 %cmp to i32
+  ret i32 %conv
+; CHECK-LABEL: @test12(
+; 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
+  %conv = zext i1 %cmp to i32
+  ret i32 %conv
+; CHECK-LABEL: @test13(
+; 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
+  %conv = zext i1 %cmp to i32
+  ret i32 %conv
+; CHECK-LABEL: @test14(
+; 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
+  %conv = zext i1 %cmp to i32
+  ret i32 %conv
+; CHECK-LABEL: @test15(
+; 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
+  %conv = zext i1 %cmp to i32
+  ret i32 %conv
+; CHECK-LABEL: @test16(
+; 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
+  %cmp = fcmp ueq double %call, 0.000000e+00
+  %conv = zext i1 %cmp to i32
+  ret i32 %conv
 }