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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/uaddo.ll
parent220b921aed042f9e520c26cffd8282a94c66c3d5 (diff)
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Update LLVM for 3.5 rebase (r209712).
Change-Id: I149556c940fb7dc92d075273c87ff584f400941f
Diffstat (limited to 'test/CodeGen/R600/uaddo.ll')
-rw-r--r--test/CodeGen/R600/uaddo.ll17
1 files changed, 17 insertions, 0 deletions
diff --git a/test/CodeGen/R600/uaddo.ll b/test/CodeGen/R600/uaddo.ll
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+++ b/test/CodeGen/R600/uaddo.ll
@@ -0,0 +1,17 @@
+; RUN: llc -march=r600 -mcpu=SI -verify-machineinstrs< %s | FileCheck -check-prefix=SI %s
+
+declare { i64, i1 } @llvm.uadd.with.overflow.i64(i64, i64) nounwind readnone
+
+; SI-LABEL: @uaddo_i64_zext
+; SI: ADD
+; SI: ADDC
+; SI: ADDC
+define void @uaddo_i64_zext(i64 addrspace(1)* %out, i64 %a, i64 %b) nounwind {
+ %uadd = call { i64, i1 } @llvm.uadd.with.overflow.i64(i64 %a, i64 %b) nounwind
+ %val = extractvalue { i64, i1 } %uadd, 0
+ %carry = extractvalue { i64, i1 } %uadd, 1
+ %ext = zext i1 %carry to i64
+ %add2 = add i64 %val, %ext
+ store i64 %add2, i64 addrspace(1)* %out, align 8
+ ret void
+}