89 lines
2.8 KiB
LLVM
89 lines
2.8 KiB
LLVM
; RUN: llc -mtriple=x86_64-apple-darwin -stop-after finalize-isel <%s | FileCheck %s
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; Check that the callee doesn't have calleeSavedRegisters.
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define preserve_nonecc i64 @callee1(i64 %a0, i64 %b0, i64 %c0, i64 %d0, i64 %e0) nounwind {
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%a1 = mul i64 %a0, %b0
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%a2 = mul i64 %a1, %c0
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%a3 = mul i64 %a2, %d0
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%a4 = mul i64 %a3, %e0
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ret i64 %a4
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}
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; CHECK: name: callee1
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; CHECK-NOT: calleeSavedRegisters:
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; CHECK: RET 0, $rax
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; Check that RegMask is csr_64_noneregs.
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define i64 @caller1(i64 %a0) nounwind {
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%b1 = call preserve_nonecc i64 @callee1(i64 %a0, i64 %a0, i64 %a0, i64 %a0, i64 %a0)
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%b2 = add i64 %b1, %a0
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ret i64 %b2
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}
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; CHECK: name: caller1
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; CHECK: CALL64pcrel32 @callee1, csr_64_noneregs
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; CHECK: RET 0, $rax
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; Check that the callee doesn't have calleeSavedRegisters.
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define preserve_nonecc {i64, i64} @callee2(i64 %a0, i64 %b0, i64 %c0, i64 %d0, i64 %e0) nounwind {
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%a1 = mul i64 %a0, %b0
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%a2 = mul i64 %a1, %c0
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%a3 = mul i64 %a2, %d0
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%a4 = mul i64 %a3, %e0
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%b4 = insertvalue {i64, i64} undef, i64 %a3, 0
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%b5 = insertvalue {i64, i64} %b4, i64 %a4, 1
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ret {i64, i64} %b5
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}
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; CHECK: name: callee2
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; CHECK-NOT: calleeSavedRegisters:
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; CHECK: RET 0, $rax, $rdx
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; Check that RegMask is csr_64_noneregs.
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define {i64, i64} @caller2(i64 %a0) nounwind {
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%b1 = call preserve_nonecc {i64, i64} @callee2(i64 %a0, i64 %a0, i64 %a0, i64 %a0, i64 %a0)
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ret {i64, i64} %b1
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}
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; CHECK: name: caller2
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; CHECK: CALL64pcrel32 @callee2, csr_64_noneregs
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; CHECK: RET 0, $rax, $rdx
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%struct.Large = type { i64, double, double }
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; Declare the callee with a sret parameter.
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declare preserve_nonecc void @callee3(ptr noalias nocapture writeonly sret(%struct.Large) align 4 %a0, i64 %b0) nounwind;
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; Check that RegMask is csr_64_noneregs.
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define void @caller3(i64 %a0) nounwind {
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%a1 = alloca %struct.Large, align 8
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call preserve_nonecc void @callee3(ptr nonnull sret(%struct.Large) align 8 %a1, i64 %a0)
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ret void
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}
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; CHECK: name: caller3
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; CHECK: CALL64pcrel32 @callee3, csr_64_noneregs
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; CHECK: RET 0
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; Check that the callee doesn't have calleeSavedRegisters.
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define preserve_nonecc {i64, double} @callee4(i64 %a0, i64 %b0, i64 %c0, i64 %d0, i64 %e0) nounwind {
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%a1 = mul i64 %a0, %b0
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%a2 = mul i64 %a1, %c0
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%a3 = mul i64 %a2, %d0
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%a4 = mul i64 %a3, %e0
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%b4 = insertvalue {i64, double} undef, i64 %a3, 0
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%b5 = insertvalue {i64, double} %b4, double 1.2, 1
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ret {i64, double} %b5
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}
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; CHECK: name: callee4
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; CHECK-NOT: calleeSavedRegisters:
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; CHECK: RET 0, $rax, $xmm0
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; Check that RegMask is csr_64_noneregs.
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define {i64, double} @caller4(i64 %a0) nounwind {
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%b1 = call preserve_nonecc {i64, double} @callee4(i64 %a0, i64 %a0, i64 %a0, i64 %a0, i64 %a0)
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ret {i64, double} %b1
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}
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; CHECK: name: caller4
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; CHECK: CALL64pcrel32 @callee4, csr_64_noneregs
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; CHECK: RET 0, $rax, $xmm0
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