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TheRock/compiler/amd-llvm/llvm/test/Transforms/StructurizeCFG/invert-condition.ll
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2026-09-02 16:34:47 -07:00

66 lines
2.0 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -structurizecfg %s | FileCheck %s
define void @invert_condition(i1 %arg) {
; CHECK-LABEL: @invert_condition(
; CHECK-NEXT: bb:
; CHECK-NEXT: [[TMP:%.*]] = load volatile float, ptr addrspace(1) undef
; CHECK-NEXT: [[TMP1:%.*]] = load volatile float, ptr addrspace(1) undef
; CHECK-NEXT: br label [[BB2:%.*]]
; CHECK: bb2:
; CHECK-NEXT: [[TMP3:%.*]] = fcmp oge float [[TMP]], [[TMP1]]
; CHECK-NEXT: [[TMP4:%.*]] = xor i1 [[ARG:%.*]], [[TMP3]]
; CHECK-NEXT: [[TMP0:%.*]] = xor i1 [[TMP4]], true
; CHECK-NEXT: br i1 [[TMP0]], label [[BB5:%.*]], label [[BB2]]
; CHECK: bb5:
; CHECK-NEXT: ret void
;
bb:
%tmp = load volatile float, ptr addrspace(1) undef
%tmp1 = load volatile float, ptr addrspace(1) undef
br label %bb2
bb2: ; preds = %bb2, %bb
%tmp3 = fcmp oge float %tmp, %tmp1
%tmp4 = xor i1 %arg, %tmp3
br i1 %tmp4, label %bb2, label %bb5
bb5: ; preds = %bb2
ret void
}
define void @invert_condition_phi(i32 %arg) {
; CHECK-LABEL: @invert_condition_phi(
; CHECK-NEXT: main_body:
; CHECK-NEXT: [[I5:%.*]] = icmp eq i32 [[ARG:%.*]], 0
; CHECK-NEXT: [[I5_INV:%.*]] = xor i1 [[I5]], true
; CHECK-NEXT: br i1 [[I5_INV]], label [[IF1:%.*]], label [[ENDIF1:%.*]]
; CHECK: if1:
; CHECK-NEXT: br label [[ENDIF1]]
; CHECK: endif1:
; CHECK-NEXT: [[I7:%.*]] = phi i1 [ [[I5]], [[MAIN_BODY:%.*]] ], [ false, [[IF1]] ]
; CHECK-NEXT: [[I7_INV:%.*]] = xor i1 [[I7]], true
; CHECK-NEXT: br i1 [[I7_INV]], label [[IF4:%.*]], label [[ENDIF4:%.*]]
; CHECK: if4:
; CHECK-NEXT: br label [[ENDIF4]]
; CHECK: endif4:
; CHECK-NEXT: ret void
;
main_body:
%i5 = icmp eq i32 %arg, 0
br i1 %i5, label %endif1, label %if1
if1:
br label %endif1
endif1:
%i7 = phi i1 [ false, %if1 ], [ %i5, %main_body ]
br i1 %i7, label %endif4, label %if4
if4:
br label %endif4
endif4:
ret void
}