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73 lines
2.2 KiB
ArmAsm
73 lines
2.2 KiB
ArmAsm
# RUN: llvm-mc -triple=hexagon < %s 2>%t ; \
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# RUN: FileCheck %s < %t --check-prefix=CHECK-STRICT
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# RUN: llvm-mc -triple=hexagon -relax-nv-checks < %s 2>%t ; \
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# RUN: FileCheck %s < %t --check-prefix=CHECK-RELAXED
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# CHECK-STRICT: :12:1: error: register `R0' used with `.new' but not validly modified in the same packet
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# CHECK-RELAXED: :12:1: error: register `R0' used with `.new' but not validly modified in the same packet
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{
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# invalid: r0 definition predicated on the opposite condition
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if (p3) r0 = add(r1, r2)
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if (!p3) memb(r20) = r0.new
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}
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# CHECK-STRICT: :20:1: error: register `R0' used with `.new' but not validly modified in the same packet
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# CHECK-RELAXED: :20:1: error: register `R0' used with `.new' but not validly modified in the same packet
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{
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# invalid: new-value compare-and-jump cannot use floating point value
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r0 = sfadd(r1, r2)
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if (cmp.eq(r0.new, #0)) jump:nt .
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}
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# CHECK-STRICT: :29:1: error: register `R0' used with `.new' but not validly modified in the same packet
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# CHECK-RELAXED: :29:1: error: register `R0' used with `.new' but not validly modified in the same packet
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{
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# invalid: definition of r0 should be unconditional (not explicitly docu-
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# mented)
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if (p0) r0 = r1
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if (cmp.eq(r0.new, #0)) jump:nt .
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}
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# No errors from this point on with the relaxed checks.
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# CHECK-RELAXED-NOT: error
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# CHECK-STRICT: :41:1: error: register `R0' used with `.new' but not validly modified in the same packet
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{
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# valid (relaxed): p2 and p3 cannot be proven to violate the new-value
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# requirements
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if (p3) r0 = add(r1, r2)
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if (p2) memb(r20) = r0.new
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}
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# CHECK-STRICT: :48:1: error: register `R0' used with `.new' but not validly modified in the same packet
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{
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# valid (relaxed): p3 could be always true
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if (p3) r0 = add(r1, r2)
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memb(r20) = r0.new
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}
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# No errors from this point on with the strict checks.
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# CHECK-RELAXED-NOT: error
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{
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# valid: r0 defined unconditionally
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r0 = add(r1, r2)
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if (p2) memb(r20) = r0.new
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}
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{
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# valid: r0 definition and use identically predicated
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if (p3) r0 = add(r1, r2)
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if (p3) memb(r20) = r0.new
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}
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{
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# valid: r0 defined regardless of p0
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if (p0) r0 = #0
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if (!p0) r0 = #1
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if (p0) memb(r20) = r0.new
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}
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