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authorShih-wei Liao <sliao@google.com>2010-04-07 12:21:42 -0700
committerShih-wei Liao <sliao@google.com>2010-04-07 12:21:42 -0700
commite4454320b3cfffe926a487c33fbeb454366de2f8 (patch)
tree133c05da684edf4a3b2529bcacfa996298c455f6 /test/CodeGen/X86/licm-symbol.ll
parent20570085304f0a4ab4f112a01d77958bbd2827a1 (diff)
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libbcc
Change-Id: Ieaa3ebd5a38f370752495549f8870b534eeedfc5
Diffstat (limited to 'test/CodeGen/X86/licm-symbol.ll')
-rw-r--r--test/CodeGen/X86/licm-symbol.ll39
1 files changed, 39 insertions, 0 deletions
diff --git a/test/CodeGen/X86/licm-symbol.ll b/test/CodeGen/X86/licm-symbol.ll
new file mode 100644
index 0000000..d61bbfc
--- /dev/null
+++ b/test/CodeGen/X86/licm-symbol.ll
@@ -0,0 +1,39 @@
+; RUN: llc < %s | FileCheck %s
+
+; MachineLICM should be able to hoist the sF reference out of the loop.
+
+; CHECK: pushl %esi
+; CHECK: subl $8, %esp
+; CHECK: movl $176, %esi
+; CHECK: addl L___sF$non_lazy_ptr, %esi
+; CHECK: .align 4, 0x90
+
+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-n8:16:32"
+target triple = "i386-apple-darwin8"
+
+%struct.FILE = type { i8*, i32, i32, i16, i16, %struct.__sbuf, i32, i8*, i32 (i8*)*, i32 (i8*, i8*, i32)*, i64 (i8*, i64, i32)*, i32 (i8*, i8*, i32)*, %struct.__sbuf, %struct.__sFILEX*, i32, [3 x i8], [1 x i8], %struct.__sbuf, i32, i64 }
+%struct.__sFILEX = type opaque
+%struct.__sbuf = type { i8*, i32 }
+%struct.gcov_ctr_summary = type { i32, i32, i64, i64, i64 }
+%struct.gcov_summary = type { i32, [1 x %struct.gcov_ctr_summary] }
+
+@__sF = external global [0 x %struct.FILE] ; <[0 x %struct.FILE]*> [#uses=1]
+
+declare i32 @fprintf(%struct.FILE* nocapture) nounwind
+
+define void @gcov_exit() nounwind {
+entry:
+ br label %bb151
+
+bb151: ; preds = %bb59, %bb56, %bb14
+ br i1 undef, label %bb56, label %bb59
+
+bb56: ; preds = %bb151
+ %t0 = call i32 (%struct.FILE*)* @fprintf(%struct.FILE* getelementptr inbounds ([0 x %struct.FILE]* @__sF, i32 0, i32 2)) nounwind
+ br label %bb151
+
+bb59: ; preds = %bb151
+ %t1 = call i32 (%struct.FILE*)* @fprintf(%struct.FILE* getelementptr inbounds ([0 x %struct.FILE]* @__sF, i32 0, i32 2)) nounwind
+ br label %bb151
+}
+