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authorStephen Hines <srhines@google.com>2014-05-29 02:49:00 -0700
committerStephen Hines <srhines@google.com>2014-05-29 02:49:00 -0700
commitdce4a407a24b04eebc6a376f8e62b41aaa7b071f (patch)
treedcebc53f2b182f145a2e659393bf9a0472cedf23 /test/CodeGen/R600/sgpr-control-flow.ll
parent220b921aed042f9e520c26cffd8282a94c66c3d5 (diff)
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Update LLVM for 3.5 rebase (r209712).
Change-Id: I149556c940fb7dc92d075273c87ff584f400941f
Diffstat (limited to 'test/CodeGen/R600/sgpr-control-flow.ll')
-rw-r--r--test/CodeGen/R600/sgpr-control-flow.ll27
1 files changed, 27 insertions, 0 deletions
diff --git a/test/CodeGen/R600/sgpr-control-flow.ll b/test/CodeGen/R600/sgpr-control-flow.ll
new file mode 100644
index 0000000..06ad24d
--- /dev/null
+++ b/test/CodeGen/R600/sgpr-control-flow.ll
@@ -0,0 +1,27 @@
+; RUN: llc -march=r600 -mcpu=SI -verify-machineinstrs< %s | FileCheck -check-prefix=SI %s
+;
+;
+; Most SALU instructions ignore control flow, so we need to make sure
+; they don't overwrite values from other blocks.
+
+; SI-NOT: S_ADD
+
+define void @sgpr_if_else(i32 addrspace(1)* %out, i32 %a, i32 %b, i32 %c, i32 %d, i32 %e) {
+entry:
+ %0 = icmp eq i32 %a, 0
+ br i1 %0, label %if, label %else
+
+if:
+ %1 = add i32 %b, %c
+ br label %endif
+
+else:
+ %2 = add i32 %d, %e
+ br label %endif
+
+endif:
+ %3 = phi i32 [%1, %if], [%2, %else]
+ %4 = add i32 %3, %a
+ store i32 %4, i32 addrspace(1)* %out
+ ret void
+}