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-rw-r--r--test/Transforms/InstCombine/getelementptr.ll20
1 files changed, 19 insertions, 1 deletions
diff --git a/test/Transforms/InstCombine/getelementptr.ll b/test/Transforms/InstCombine/getelementptr.ll
index 1c120ec..bb07736 100644
--- a/test/Transforms/InstCombine/getelementptr.ll
+++ b/test/Transforms/InstCombine/getelementptr.ll
@@ -424,7 +424,7 @@ define i32 @test35() nounwind {
i8* getelementptr (%t1* bitcast (%t0* @s to %t1*), i32 0, i32 1, i32 0)) nounwind
ret i32 0
; CHECK: @test35
-; CHECK: call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([17 x i8]* @"\01LC8", i64 0, i64 0), i8* getelementptr inbounds (%t0* @s, i64 0, i32 1, i64 0)) nounwind
+; CHECK: call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([17 x i8]* @"\01LC8", i64 0, i64 0), i8* getelementptr inbounds (%t0* @s, i64 0, i32 1, i64 0)) [[NUW:#[0-9]+]]
}
; Instcombine should constant-fold the GEP so that indices that have
@@ -492,3 +492,21 @@ define void @three_gep_f(%three_gep_t2* %x) {
declare void @three_gep_g(i32*)
declare void @three_gep_h(%three_gep_t2*)
+
+%struct.ham = type { i32, %struct.zot*, %struct.zot*, %struct.zot* }
+%struct.zot = type { i64, i8 }
+
+define void @test39(%struct.ham* %arg, i8 %arg1) nounwind {
+ %tmp = getelementptr inbounds %struct.ham* %arg, i64 0, i32 2
+ %tmp2 = load %struct.zot** %tmp, align 8
+ %tmp3 = bitcast %struct.zot* %tmp2 to i8*
+ %tmp4 = getelementptr inbounds i8* %tmp3, i64 -8
+ store i8 %arg1, i8* %tmp4, align 8
+ ret void
+
+; CHECK: @test39
+; CHECK: getelementptr inbounds %struct.ham* %arg, i64 0, i32 2
+; CHECK: getelementptr inbounds i8* %tmp3, i64 -8
+}
+
+; CHECK: attributes [[NUW]] = { nounwind }
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