derek.holloway
7502bf64a4
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74 lines
2.1 KiB
LLVM
74 lines
2.1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4
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; RUN: llc -mtriple=x86_64-unknown-linux-gnu < %s | FileCheck %s
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declare i64 @returns_i64()
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define i64 @call_range_nonzero_lo() nounwind {
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; CHECK-LABEL: call_range_nonzero_lo:
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; CHECK: # %bb.0:
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; CHECK-NEXT: pushq %rax
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; CHECK-NEXT: callq returns_i64@PLT
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; CHECK-NEXT: andq $-8, %rax
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; CHECK-NEXT: popq %rcx
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; CHECK-NEXT: retq
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%v = call range(i64 1, 2305843009213693952) i64 @returns_i64()
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%r = and i64 %v, 2305843009213693944
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ret i64 %r
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}
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define i64 @call_range_zero_lo() nounwind {
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; CHECK-LABEL: call_range_zero_lo:
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; CHECK: # %bb.0:
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; CHECK-NEXT: pushq %rax
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; CHECK-NEXT: callq returns_i64@PLT
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; CHECK-NEXT: andl $-8, %eax
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; CHECK-NEXT: popq %rcx
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; CHECK-NEXT: retq
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%v = call range(i64 0, 256) i64 @returns_i64()
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%r = and i64 %v, 248
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ret i64 %r
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}
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define i64 @call_range_narrow() nounwind {
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; CHECK-LABEL: call_range_narrow:
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; CHECK: # %bb.0:
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; CHECK-NEXT: pushq %rax
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; CHECK-NEXT: callq returns_i64@PLT
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; CHECK-NEXT: andl $-8, %eax
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; CHECK-NEXT: popq %rcx
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; CHECK-NEXT: retq
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%v = call range(i64 100, 256) i64 @returns_i64()
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%r = and i64 %v, 248
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ret i64 %r
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}
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; Negative tests
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define i64 @call_no_range() nounwind {
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; CHECK-LABEL: call_no_range:
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; CHECK: # %bb.0:
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; CHECK-NEXT: pushq %rax
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; CHECK-NEXT: callq returns_i64@PLT
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; CHECK-NEXT: movabsq $2305843009213693944, %rcx # imm = 0x1FFFFFFFFFFFFFF8
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; CHECK-NEXT: andq %rcx, %rax
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; CHECK-NEXT: popq %rcx
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; CHECK-NEXT: retq
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%v = call i64 @returns_i64()
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%r = and i64 %v, 2305843009213693944
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ret i64 %r
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}
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define i64 @call_wrapped_range() nounwind {
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; CHECK-LABEL: call_wrapped_range:
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; CHECK: # %bb.0:
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; CHECK-NEXT: pushq %rax
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; CHECK-NEXT: callq returns_i64@PLT
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; CHECK-NEXT: movabsq $2305843009213693944, %rcx # imm = 0x1FFFFFFFFFFFFFF8
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; CHECK-NEXT: andq %rcx, %rax
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; CHECK-NEXT: popq %rcx
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; CHECK-NEXT: retq
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%v = call range(i64 -100, 100) i64 @returns_i64()
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%r = and i64 %v, 2305843009213693944
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ret i64 %r
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}
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