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authorVictor Hernandez <vhernandez@apple.com>2010-01-23 00:17:34 +0000
committerVictor Hernandez <vhernandez@apple.com>2010-01-23 00:17:34 +0000
commitb6aebc2f468333f0817738aaf8670c11cc98ee3e (patch)
treed3d0db92f71b987a664b2457f991175ac359d5c9 /test/Transforms/Mem2Reg
parent12e555c36ce11c39ce15cd0b27bf7b02a068beb2 (diff)
In mem2reg, for all alloca/stores that get promoted where the alloca has an associated llvm.dbg.declare instrinsic, insert an llvm.dbg.var intrinsic before each store
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94260 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/Mem2Reg')
-rw-r--r--test/Transforms/Mem2Reg/ConvertDebugInfo.ll31
1 files changed, 31 insertions, 0 deletions
diff --git a/test/Transforms/Mem2Reg/ConvertDebugInfo.ll b/test/Transforms/Mem2Reg/ConvertDebugInfo.ll
new file mode 100644
index 0000000000..8e309c0901
--- /dev/null
+++ b/test/Transforms/Mem2Reg/ConvertDebugInfo.ll
@@ -0,0 +1,31 @@
+; RUN: opt < %s -mem2reg -S | FileCheck %s
+
+target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
+
+define double @testfunc(i32 %i, double %j) {
+ %I = alloca i32 ; <i32*> [#uses=4]
+ call void @llvm.dbg.declare(metadata !{i32* %I}, metadata !0)
+ %J = alloca double ; <double*> [#uses=2]
+ call void @llvm.dbg.declare(metadata !{double* %J}, metadata !1)
+; CHECK: call void @llvm.dbg.value(metadata !{i32 %i}, i64 0, metadata !0)
+ store i32 %i, i32* %I
+; CHECK: call void @llvm.dbg.value(metadata !{double %j}, i64 0, metadata !1)
+ store double %j, double* %J
+ %t1 = load i32* %I ; <i32> [#uses=1]
+ %t2 = add i32 %t1, 1 ; <i32> [#uses=1]
+ store i32 %t2, i32* %I
+ %t3 = load i32* %I ; <i32> [#uses=1]
+ %t4 = sitofp i32 %t3 to double ; <double> [#uses=1]
+ %t5 = load double* %J ; <double> [#uses=1]
+ %t6 = fmul double %t4, %t5 ; <double> [#uses=1]
+ ret double %t6
+}
+
+declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
+
+!bar = !{!0}
+!foo = !{!2}
+
+!0 = metadata !{i32 459008, metadata !1, metadata !"foo", metadata !2, i32 5, metadata !"foo"} ; [ DW_TAG_auto_variable ]
+!1 = metadata !{i32 459008, metadata !1, metadata !"foo", metadata !0, i32 5, metadata !1} ; [ DW_TAG_auto_variable ]
+!2 = metadata !{i32 458804, i32 0, metadata !2, metadata !"foo", metadata !"bar", metadata !"bar", metadata !2, i32 3, metadata !0, i1 false, i1 true} ; [ DW_TAG_variable ]