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27b1252c13
This changes the tests that were targeting ARM EABI to explicitly specify the environment rather than relying on the default. This breaks with the new Windows on ARM support when running the tests on Windows where the default environment is no longer EABI. Take the opportunity to avoid a pointless redirect (helps when trying to debug with providing a command line invocation which can be copy and pasted) and removing a few greps in favour of FileCheck. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205541 91177308-0d34-0410-b5e6-96231b3b80d8
127 lines
2.9 KiB
LLVM
127 lines
2.9 KiB
LLVM
; RUN: llc -mtriple=arm-eabi -mattr=+v6 %s -o - | FileCheck %s
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define i32 @test1(i32 %X) nounwind {
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; CHECK: test1
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; CHECK: rev16 r0, r0
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%tmp1 = lshr i32 %X, 8
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%X15 = bitcast i32 %X to i32
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%tmp4 = shl i32 %X15, 8
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%tmp2 = and i32 %tmp1, 16711680
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%tmp5 = and i32 %tmp4, -16777216
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%tmp9 = and i32 %tmp1, 255
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%tmp13 = and i32 %tmp4, 65280
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%tmp6 = or i32 %tmp5, %tmp2
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%tmp10 = or i32 %tmp6, %tmp13
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%tmp14 = or i32 %tmp10, %tmp9
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ret i32 %tmp14
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}
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define i32 @test2(i32 %X) nounwind {
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; CHECK: test2
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; CHECK: revsh r0, r0
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%tmp1 = lshr i32 %X, 8
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%tmp1.upgrd.1 = trunc i32 %tmp1 to i16
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%tmp3 = trunc i32 %X to i16
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%tmp2 = and i16 %tmp1.upgrd.1, 255
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%tmp4 = shl i16 %tmp3, 8
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%tmp5 = or i16 %tmp2, %tmp4
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%tmp5.upgrd.2 = sext i16 %tmp5 to i32
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ret i32 %tmp5.upgrd.2
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}
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; rdar://9147637
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define i32 @test3(i16 zeroext %a) nounwind {
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entry:
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; CHECK-LABEL: test3:
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; CHECK: revsh r0, r0
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%0 = tail call i16 @llvm.bswap.i16(i16 %a)
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%1 = sext i16 %0 to i32
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ret i32 %1
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}
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declare i16 @llvm.bswap.i16(i16) nounwind readnone
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define i32 @test4(i16 zeroext %a) nounwind {
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entry:
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; CHECK-LABEL: test4:
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; CHECK: revsh r0, r0
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%conv = zext i16 %a to i32
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%shr9 = lshr i16 %a, 8
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%conv2 = zext i16 %shr9 to i32
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%shl = shl nuw nsw i32 %conv, 8
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%or = or i32 %conv2, %shl
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%sext = shl i32 %or, 16
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%conv8 = ashr exact i32 %sext, 16
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ret i32 %conv8
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}
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; rdar://9609059
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define i32 @test5(i32 %i) nounwind readnone {
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entry:
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; CHECK: test5
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; CHECK: revsh r0, r0
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%shl = shl i32 %i, 24
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%shr = ashr exact i32 %shl, 16
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%shr23 = lshr i32 %i, 8
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%and = and i32 %shr23, 255
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%or = or i32 %shr, %and
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ret i32 %or
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}
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; rdar://9609108
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define i32 @test6(i32 %x) nounwind readnone {
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entry:
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; CHECK: test6
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; CHECK: rev16 r0, r0
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%and = shl i32 %x, 8
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%shl = and i32 %and, 65280
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%and2 = lshr i32 %x, 8
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%shr11 = and i32 %and2, 255
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%shr5 = and i32 %and2, 16711680
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%shl9 = and i32 %and, -16777216
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%or = or i32 %shr5, %shl9
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%or6 = or i32 %or, %shr11
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%or10 = or i32 %or6, %shl
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ret i32 %or10
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}
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; rdar://9164521
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define i32 @test7(i32 %a) nounwind readnone {
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entry:
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; CHECK: test7
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; CHECK: rev r0, r0
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; CHECK: lsr r0, r0, #16
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%and = lshr i32 %a, 8
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%shr3 = and i32 %and, 255
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%and2 = shl i32 %a, 8
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%shl = and i32 %and2, 65280
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%or = or i32 %shr3, %shl
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ret i32 %or
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}
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define i32 @test8(i32 %a) nounwind readnone {
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entry:
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; CHECK: test8
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; CHECK: revsh r0, r0
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%and = lshr i32 %a, 8
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%shr4 = and i32 %and, 255
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%and2 = shl i32 %a, 8
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%or = or i32 %shr4, %and2
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%sext = shl i32 %or, 16
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%conv3 = ashr exact i32 %sext, 16
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ret i32 %conv3
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}
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; rdar://10750814
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define zeroext i16 @test9(i16 zeroext %v) nounwind readnone {
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entry:
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; CHECK: test9
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; CHECK: rev16 r0, r0
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%conv = zext i16 %v to i32
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%shr4 = lshr i32 %conv, 8
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%shl = shl nuw nsw i32 %conv, 8
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%or = or i32 %shr4, %shl
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%conv3 = trunc i32 %or to i16
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ret i16 %conv3
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}
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