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llvm-project/llvm/test/CodeGen/Thumb2/intrinsics-coprocessor.ll

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ARM: Do not use llc -march in tests. `llc -march` is problematic because it only switches the target architecture, but leaves the operating system unchanged. This occasionally leads to indeterministic tests because the OS from LLVM_DEFAULT_TARGET_TRIPLE is used. However we can simply always use `llc -mtriple` instead. This changes all the tests to do this to avoid people using -march when they copy and paste parts of tests. See also the discussion in https://reviews.llvm.org/D35287 llvm-svn: 309755
2017-08-02 06:20:49 +08:00
; RUN: llc < %s -mtriple=thumbv7-eabi -mcpu=cortex-a8 -show-mc-encoding | FileCheck %s
[ARM] Avoid using ARM instructions in Thumb mode The Requires class overrides the target requirements of an instruction, rather than adding to them, so all ARM instructions need to include the IsARM predicate when they have overwitten requirements. This caused the swp and swpb instructions to be allowed in thumb mode assembly, and the ARM encoding of CDP to be selected in codegen (which is different for conditional instructions). Differential Revision: https://reviews.llvm.org/D29283 llvm-svn: 293634
2017-01-31 22:35:01 +08:00
define void @coproc(i8* %i) nounwind {
entry:
; CHECK: mrc p7, #1, r{{[0-9]+}}, c1, c1, #4
%0 = tail call i32 @llvm.arm.mrc(i32 7, i32 1, i32 1, i32 1, i32 4) nounwind
; CHECK: mcr p7, #1, r{{[0-9]+}}, c1, c1, #4
tail call void @llvm.arm.mcr(i32 7, i32 1, i32 %0, i32 1, i32 1, i32 4) nounwind
; CHECK: mrc2 p7, #1, r{{[0-9]+}}, c1, c1, #4
%1 = tail call i32 @llvm.arm.mrc2(i32 7, i32 1, i32 1, i32 1, i32 4) nounwind
; CHECK: mcr2 p7, #1, r{{[0-9]+}}, c1, c1, #4
tail call void @llvm.arm.mcr2(i32 7, i32 1, i32 %1, i32 1, i32 1, i32 4) nounwind
; CHECK: mcrr p7, #1, r{{[0-9]+}}, r{{[0-9]+}}, c1
tail call void @llvm.arm.mcrr(i32 7, i32 1, i32 %0, i32 %1, i32 1) nounwind
; CHECK: mcrr2 p7, #1, r{{[0-9]+}}, r{{[0-9]+}}, c1
tail call void @llvm.arm.mcrr2(i32 7, i32 1, i32 %0, i32 %1, i32 1) nounwind
; CHECK: cdp p7, #3, c1, c1, c1, #5
tail call void @llvm.arm.cdp(i32 7, i32 3, i32 1, i32 1, i32 1, i32 5) nounwind
; CHECK: cdp2 p7, #3, c1, c1, c1, #5
tail call void @llvm.arm.cdp2(i32 7, i32 3, i32 1, i32 1, i32 1, i32 5) nounwind
; CHECK: ldc p7, c3, [r{{[0-9]+}}]
tail call void @llvm.arm.ldc(i32 7, i32 3, i8* %i) nounwind
; CHECK: ldcl p7, c3, [r{{[0-9]+}}]
tail call void @llvm.arm.ldcl(i32 7, i32 3, i8* %i) nounwind
; CHECK: ldc2 p7, c3, [r{{[0-9]+}}]
tail call void @llvm.arm.ldc2(i32 7, i32 3, i8* %i) nounwind
; CHECK: ldc2l p7, c3, [r{{[0-9]+}}]
tail call void @llvm.arm.ldc2l(i32 7, i32 3, i8* %i) nounwind
; CHECK: stc p7, c3, [r{{[0-9]+}}]
tail call void @llvm.arm.stc(i32 7, i32 3, i8* %i) nounwind
; CHECK: stcl p7, c3, [r{{[0-9]+}}]
tail call void @llvm.arm.stcl(i32 7, i32 3, i8* %i) nounwind
; CHECK: stc2 p7, c3, [r{{[0-9]+}}]
tail call void @llvm.arm.stc2(i32 7, i32 3, i8* %i) nounwind
; CHECK: stc2l p7, c3, [r{{[0-9]+}}]
tail call void @llvm.arm.stc2l(i32 7, i32 3, i8* %i) nounwind
; CHECK: mrrc p1, #2, r{{[0-9]+}}, r{{[0-9]+}}, c3
%2 = tail call { i32, i32 } @llvm.arm.mrrc(i32 1, i32 2, i32 3) nounwind
; CHECK: mrrc2 p1, #2, r{{[0-9]+}}, r{{[0-9]+}}, c3
%3 = tail call { i32, i32 } @llvm.arm.mrrc2(i32 1, i32 2, i32 3) nounwind
ret void
}
define hidden void @cond_cdp(i32 %a) {
; CHECK-LABEL: cond_cdp:
entry:
%tobool = icmp eq i32 %a, 0
br i1 %tobool, label %if.end, label %if.then
if.then:
; CHECK: it ne
; CHECK: cdpne p15, #0, c0, c0, c0, #0 @ encoding: [0x00,0xee,0x00,0x0f]
tail call void @llvm.arm.cdp(i32 15, i32 0, i32 0, i32 0, i32 0, i32 0)
br label %if.end
if.end:
ret void
}
declare void @llvm.arm.ldc(i32, i32, i8*) nounwind
declare void @llvm.arm.ldcl(i32, i32, i8*) nounwind
declare void @llvm.arm.ldc2(i32, i32, i8*) nounwind
declare void @llvm.arm.ldc2l(i32, i32, i8*) nounwind
declare void @llvm.arm.stc(i32, i32, i8*) nounwind
declare void @llvm.arm.stcl(i32, i32, i8*) nounwind
declare void @llvm.arm.stc2(i32, i32, i8*) nounwind
declare void @llvm.arm.stc2l(i32, i32, i8*) nounwind
declare void @llvm.arm.cdp2(i32, i32, i32, i32, i32, i32) nounwind
declare void @llvm.arm.cdp(i32, i32, i32, i32, i32, i32) nounwind
declare void @llvm.arm.mcrr2(i32, i32, i32, i32, i32) nounwind
declare void @llvm.arm.mcrr(i32, i32, i32, i32, i32) nounwind
declare void @llvm.arm.mcr2(i32, i32, i32, i32, i32, i32) nounwind
declare i32 @llvm.arm.mrc2(i32, i32, i32, i32, i32) nounwind
declare void @llvm.arm.mcr(i32, i32, i32, i32, i32, i32) nounwind
declare i32 @llvm.arm.mrc(i32, i32, i32, i32, i32) nounwind
declare { i32, i32 } @llvm.arm.mrrc(i32, i32, i32) nounwind
declare { i32, i32 } @llvm.arm.mrrc2(i32, i32, i32) nounwind