summaryrefslogtreecommitdiff
path: root/test/CodeGen/X86/2008-12-02-dagcombine-2.ll
diff options
context:
space:
mode:
Diffstat (limited to 'test/CodeGen/X86/2008-12-02-dagcombine-2.ll')
-rw-r--r--test/CodeGen/X86/2008-12-02-dagcombine-2.ll17
1 files changed, 17 insertions, 0 deletions
diff --git a/test/CodeGen/X86/2008-12-02-dagcombine-2.ll b/test/CodeGen/X86/2008-12-02-dagcombine-2.ll
new file mode 100644
index 0000000000..ba7dfbbcec
--- /dev/null
+++ b/test/CodeGen/X86/2008-12-02-dagcombine-2.ll
@@ -0,0 +1,17 @@
+; RUN: llvm-as < %s | llc -march=x86 | grep "(%esp)" | count 2
+target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
+target triple = "i386-apple-darwin9.5"
+; a - a should be found and removed, leaving refs to only L and P
+define i8* @test(i8* %a, i8* %L, i8* %P) nounwind {
+entry:
+ %0 = ptrtoint i8* %a to i32
+ %1 = ptrtoint i8* %P to i32
+ %2 = sub i32 %1, %0
+ %3 = ptrtoint i8* %L to i32
+ %4 = sub i32 %2, %3 ; <i32> [#uses=1]
+ %5 = getelementptr i8* %a, i32 %4 ; <i8*> [#uses=1]
+ br label %return
+
+return: ; preds = %bb3
+ ret i8* %5
+}