derek.holloway
7502bf64a4
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87 lines
3.5 KiB
LLVM
87 lines
3.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 6
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; RUN: opt -S -passes=function-attrs %s | FileCheck --check-prefixes=COMMON,FNATTRS %s
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; RUN: opt -S -passes=attributor-light %s | FileCheck --check-prefixes=COMMON,ATTRIBUTOR %s
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; Test propagation of nofpclass callsite args back to caller.
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declare void @use1_nofpclass(float nofpclass(nan) noundef %x)
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declare void @use1_nofpclass_without_noundef(float nofpclass(nan) %x)
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; Extend nofpclass to parent for all arguments.
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declare void @use3(float %x, float %y, float %z)
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declare void @use3_nofpclass(float nofpclass(nan) noundef %x, float nofpclass(nan) noundef %y, float nofpclass(nan) noundef %z)
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; Without noundef, nofpclass cannot be propagated to the parent
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define void @parent_poison(float %a) {
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; FNATTRS-LABEL: define void @parent_poison(
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; FNATTRS-SAME: float [[A:%.*]]) {
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; FNATTRS-NEXT: call void @use1_nofpclass_without_noundef(float [[A]])
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; FNATTRS-NEXT: call void @use1_nofpclass_without_noundef(float [[A]])
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; FNATTRS-NEXT: ret void
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;
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; ATTRIBUTOR-LABEL: define void @parent_poison(
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; ATTRIBUTOR-SAME: float nofpclass(nan) [[A:%.*]]) {
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; ATTRIBUTOR-NEXT: call void @use1_nofpclass_without_noundef(float nofpclass(nan) [[A]])
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; ATTRIBUTOR-NEXT: call void @use1_nofpclass_without_noundef(float [[A]])
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; ATTRIBUTOR-NEXT: ret void
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;
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call void @use1_nofpclass_without_noundef(float %a)
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call void @use1_nofpclass_without_noundef(float %a)
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ret void
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}
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; Can't extend nofpclass to parent for any argument because the 2nd call is not guaranteed to execute.
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define void @parent1(float %a, float %b, float %c) {
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; COMMON-LABEL: define void @parent1(
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; COMMON-SAME: float [[A:%.*]], float [[B:%.*]], float [[C:%.*]]) {
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; COMMON-NEXT: call void @use3(float [[C]], float [[A]], float [[B]])
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; COMMON-NEXT: call void @use3_nofpclass(float [[B]], float [[C]], float [[A]])
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; COMMON-NEXT: ret void
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;
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call void @use3(float %c, float %a, float %b)
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call void @use3_nofpclass(float %b, float %c, float %a)
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ret void
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}
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define void @parent2(float %a, float %b, float %c) {
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; FNATTRS-LABEL: define void @parent2(
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; FNATTRS-SAME: float nofpclass(nan nzero) [[A:%.*]], float nofpclass(nan) [[B:%.*]], float nofpclass(nan inf) [[C:%.*]]) {
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; FNATTRS-NEXT: call void @use3_nofpclass(float [[B]], float nofpclass(inf) [[C]], float nofpclass(nzero) [[A]])
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; FNATTRS-NEXT: call void @use3(float [[C]], float [[A]], float [[B]])
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; FNATTRS-NEXT: ret void
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;
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; ATTRIBUTOR-LABEL: define void @parent2(
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; ATTRIBUTOR-SAME: float nofpclass(nan nzero) [[A:%.*]], float nofpclass(nan) [[B:%.*]], float nofpclass(nan inf) [[C:%.*]]) {
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; ATTRIBUTOR-NEXT: call void @use3_nofpclass(float nofpclass(nan) [[B]], float nofpclass(nan inf) [[C]], float nofpclass(nan nzero) [[A]])
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; ATTRIBUTOR-NEXT: call void @use3(float [[C]], float [[A]], float [[B]])
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; ATTRIBUTOR-NEXT: ret void
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;
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call void @use3_nofpclass(float %b, float nofpclass(inf) %c, float nofpclass(nzero) %a)
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call void @use3(float %c, float %a, float %b)
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ret void
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}
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define void @parent3(ptr %a, i1 %a_is_not_nan) {
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; COMMON-LABEL: define void @parent3(
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; COMMON-SAME: ptr [[A:%.*]], i1 [[A_IS_NOT_NAN:%.*]]) {
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; COMMON-NEXT: br i1 [[A_IS_NOT_NAN]], label %[[T:.*]], label %[[F:.*]]
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; COMMON: [[T]]:
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; COMMON-NEXT: call void @use1_nofpclass(ptr [[A]])
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; COMMON-NEXT: ret void
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; COMMON: [[F]]:
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; COMMON-NEXT: ret void
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;
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br i1 %a_is_not_nan, label %t, label %f
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t:
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call void @use1_nofpclass(ptr %a)
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ret void
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f:
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ret void
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}
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