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llvm-mirror/test/CodeGen/AArch64/setcc-takes-i32.ll
Tim Northover 62526ce9c9 Add explicit triples to AArch64 tests
Only Linux is supported at the moment, and other platforms quickly fault. As a
result these tests would fail on non-Linux hosts. It may be worth making the
tests more generic again as more platforms are supported.

llvm-svn: 174170
2013-02-01 11:40:47 +00:00

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894 B
LLVM

; RUN: llc -verify-machineinstrs -mtriple=aarch64-none-linux-gnu < %s | FileCheck %s
; Most important point here is that the promotion of the i1 works
; correctly. Previously LLVM thought that i64 was the appropriate SetCC output,
; which meant it proceded in two steps and produced an i64 -> i64 any_ext which
; couldn't be selected and faulted.
; It was expecting the smallest legal promotion of i1 to be the preferred SetCC
; type, so we'll satisfy it (this actually arguably gives better code anyway,
; with flag-manipulation operations allowed to use W-registers).
declare {i64, i1} @llvm.umul.with.overflow.i64(i64, i64)
define i64 @test_select(i64 %lhs, i64 %rhs) {
; CHECK: test_select:
%res = call {i64, i1} @llvm.umul.with.overflow.i64(i64 %lhs, i64 %rhs)
%flag = extractvalue {i64, i1} %res, 1
%retval = select i1 %flag, i64 %lhs, i64 %rhs
ret i64 %retval
; CHECK: ret
}