llvm-project/llvm/test/Transforms/SCCP/float-phis.ll

27 lines
836 B
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -sccp -S | FileCheck %s
declare void @use(i1)
define void @test(i1 %c) {
; CHECK-LABEL: @test(
; CHECK-NEXT: br label [[DO_BODY:%.*]]
; CHECK: do.body:
; CHECK-NEXT: br i1 [[C:%.*]], label [[DO_BODY]], label [[FOR_COND41:%.*]]
; CHECK: for.cond41:
; CHECK-NEXT: call void @use(i1 true)
; CHECK-NEXT: br label [[FOR_COND41]]
;
br label %do.body
do.body: ; preds = %do.body, %entry
br i1 %c, label %do.body, label %for.cond41
for.cond41: ; preds = %for.cond41, %do.body
%mid.0 = phi float [ 0.000000e+00, %for.cond41 ], [ undef, %do.body ]
%fc = fcmp oeq float %mid.0, 0.000000e+00
call void @use(i1 %fc)
br label %for.cond41
}