Fix PR 7087, and probably other things, by extending

[oota-llvm.git] / test / CodeGen / X86 / 2010-05-07-ldconvert.ll

diff --git a/test/CodeGen/X86/2010-05-07-ldconvert.ll b/test/CodeGen/X86/2010-05-07-ldconvert.ll
new file mode 100644 (file)
index 0000000..0ba6a8f
--- /dev/null
+++ b/test/CodeGen/X86/2010-05-07-ldconvert.ll
@@ -0,0 +1,27 @@
+; RUN: llc < %s -mtriple=x86_64-apple-darwin11
+; PR 7087 - used to crash
+
+define i32 @main() ssp {
+entry:
+  %retval = alloca i32, align 4                   ; <i32*> [#uses=2]
+  %r = alloca i32, align 4                        ; <i32*> [#uses=2]
+  store i32 0, i32* %retval
+  %tmp = call x86_fp80 @llvm.powi.f80(x86_fp80 0xK3FFF8000000000000000, i32 -64) ; <x86_fp80> [#uses=1]
+  %conv = fptosi x86_fp80 %tmp to i32             ; <i32> [#uses=1]
+  store i32 %conv, i32* %r
+  %tmp1 = load i32* %r                            ; <i32> [#uses=1]
+  %tobool = icmp ne i32 %tmp1, 0                  ; <i1> [#uses=1]
+  br i1 %tobool, label %if.then, label %if.end
+
+if.then:                                          ; preds = %entry
+  call void @_Z1fv()
+  br label %if.end
+
+if.end:                                           ; preds = %if.then, %entry
+  %0 = load i32* %retval                          ; <i32> [#uses=1]
+  ret i32 %0
+}
+
+declare x86_fp80 @llvm.powi.f80(x86_fp80, i32) nounwind readonly
+
+declare void @_Z1fv()