fix PR6761, a miscompilation due to the fp->int IV conversion
stuff. More bugs remain though.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100282 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Transforms/IndVarSimplify/floating-point-iv.ll b/test/Transforms/IndVarSimplify/floating-point-iv.ll
index 8d75846..daeeaad 100644
--- a/test/Transforms/IndVarSimplify/floating-point-iv.ll
+++ b/test/Transforms/IndVarSimplify/floating-point-iv.ll
@@ -41,10 +41,10 @@
br label %bb
bb: ; preds = %bb, %entry
- %x.0.reg2mem.0 = phi double [ 0.000000e+00, %entry ], [ %1, %bb ] ; <double> [#uses=2]
- %0 = tail call i32 @foo(double %x.0.reg2mem.0) nounwind ; <i32> [#uses=0]
- %1 = fadd double %x.0.reg2mem.0, 1.000000e+00 ; <double> [#uses=2]
- %2 = fcmp olt double %1, -1.000000e+00 ; <i1> [#uses=1]
+ %x.0.reg2mem.0 = phi double [ 0.000000e+00, %entry ], [ %1, %bb ]
+ %0 = tail call i32 @foo(double %x.0.reg2mem.0) nounwind
+ %1 = fadd double %x.0.reg2mem.0, 1.000000e+00
+ %2 = fcmp olt double %1, -1.000000e+00
br i1 %2, label %bb, label %return
return: ; preds = %bb
@@ -70,4 +70,23 @@
; CHECK: icmp
}
+; PR6761
+define void @test5() nounwind {
+; <label>:0
+ br label %1
+
+; <label>:1 ; preds = %1, %0
+ %2 = phi double [ 9.000000e+00, %0 ], [ %4, %1 ] ; <double> [#uses=1]
+ %3 = tail call i32 @foo(double 0.0) ; <i32> [#uses=0]
+ %4 = fadd double %2, -1.000000e+00 ; <double> [#uses=2]
+ %5 = fcmp ult double %4, 0.000000e+00 ; <i1> [#uses=1]
+ br i1 %5, label %exit, label %1
+
+exit:
+ ret void
+
+; CHECK: @test5
+; CHECK: icmp eq i32 {{.*}}, 10
+; CHECK-NEXT: br i1
+}