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785bd59852
Properly constrain the operand register class for instructions used in [sz]ext expansion. Update more tests to use the verifier now that we're getting the register classes correct. rdar://12594152 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188594 91177308-0d34-0410-b5e6-96231b3b80d8
59 lines
1.3 KiB
LLVM
59 lines
1.3 KiB
LLVM
; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-apple-ios -verify-machineinstrs | FileCheck %s
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; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-linux-gnueabi -verify-machineinstrs | FileCheck %s
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; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=thumbv7-apple-ios -verify-machineinstrs | FileCheck %s
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; Sign-extend of i1 currently not supported by fast-isel
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;define signext i1 @ret0(i1 signext %a) nounwind uwtable ssp {
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;entry:
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; ret i1 %a
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;}
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define zeroext i1 @ret1(i1 signext %a) nounwind uwtable ssp {
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entry:
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; CHECK: ret1
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; CHECK: and r0, r0, #1
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; CHECK: bx lr
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ret i1 %a
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}
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define signext i8 @ret2(i8 signext %a) nounwind uwtable ssp {
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entry:
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; CHECK: ret2
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; CHECK: sxtb r0, r0
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; CHECK: bx lr
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ret i8 %a
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}
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define zeroext i8 @ret3(i8 signext %a) nounwind uwtable ssp {
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entry:
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; CHECK: ret3
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; CHECK: and r0, r0, #255
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; CHECK: bx lr
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ret i8 %a
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}
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define signext i16 @ret4(i16 signext %a) nounwind uwtable ssp {
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entry:
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; CHECK: ret4
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; CHECK: sxth r0, r0
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; CHECK: bx lr
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ret i16 %a
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}
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define zeroext i16 @ret5(i16 signext %a) nounwind uwtable ssp {
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entry:
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; CHECK: ret5
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; CHECK: uxth r0, r0
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; CHECK: bx lr
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ret i16 %a
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}
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define i16 @ret6(i16 %a) nounwind uwtable ssp {
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entry:
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; CHECK: ret6
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; CHECK-NOT: uxth
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; CHECK-NOT: sxth
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; CHECK: bx lr
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ret i16 %a
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}
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