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llvm-mirror/test/CodeGen/Hexagon/retval-redundant-copy.ll
Krzysztof Parzyszek 314e3010b6 [Hexagon] Add more lit tests
llvm-svn: 328561
2018-03-26 17:53:48 +00:00

21 lines
467 B
LLVM

; RUN: llc -march=hexagon -O2 < %s | FileCheck %s
;
; Check whether there are no redundant register copies of return values
;
; CHECK: memw(gp+#g0) = r0
; CHECK: memw(gp+#g1) = r0
@g0 = external global i32
@g1 = external global i32
define void @f0() {
b0:
%v0 = tail call i32 @f1(i32 1, i32 2, i32 3)
store i32 %v0, i32* @g0, align 4
%v1 = tail call i32 @f1(i32 4, i32 5, i32 6)
store i32 %v1, i32* @g1, align 4
ret void
}
declare i32 @f1(i32, i32, i32)