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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes='lto<O3>' -S < %s | FileCheck %s
define void @hoist_fdiv(ptr %a, float %b) {
; CHECK-LABEL: @hoist_fdiv(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP0:%.*]] = fdiv fast float 1.000000e+00, [[B:%.*]]
; CHECK-NEXT: br label [[FOR_COND:%.*]]
; CHECK: for.cond:
; CHECK-NEXT: [[I_0:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[INC:%.*]], [[FOR_INC:%.*]] ]
; CHECK-NEXT: [[CMP_NOT:%.*]] = icmp eq i32 [[I_0]], 1024
; CHECK-NEXT: br i1 [[CMP_NOT]], label [[FOR_END:%.*]], label [[FOR_INC]]
; CHECK: for.inc:
; CHECK-NEXT: [[IDXPROM:%.*]] = zext i32 [[I_0]] to i64
; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds float, ptr [[A:%.*]], i64 [[IDXPROM]]
; CHECK-NEXT: [[TMP1:%.*]] = load float, ptr [[ARRAYIDX]], align 4
; CHECK-NEXT: [[TMP2:%.*]] = fmul fast float [[TMP1]], [[TMP0]]
; CHECK-NEXT: store float [[TMP2]], ptr [[ARRAYIDX]], align 4
; CHECK-NEXT: [[INC]] = add nuw nsw i32 [[I_0]], 1
; CHECK-NEXT: br label [[FOR_COND]]
; CHECK: for.end:
; CHECK-NEXT: ret void
;
entry:
br label %for.cond
for.cond:
%i.0 = phi i32 [ 0, %entry ], [ %inc, %for.inc ]
%cmp = icmp ne i32 %i.0, 1024
br i1 %cmp, label %for.body, label %for.cond.cleanup
for.cond.cleanup:
br label %for.end
for.body:
%idxprom = sext i32 %i.0 to i64
%arrayidx = getelementptr inbounds float, ptr %a, i64 %idxprom
%0 = load float, ptr %arrayidx, align 4
%div = fdiv fast float %0, %b
store float %div, ptr %arrayidx, align 4
br label %for.inc
for.inc:
%inc = add nsw i32 %i.0, 1
br label %for.cond
for.end:
ret void
}
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