+; 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