lsr-crash-empty-uses.ll
1.52 KB
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; RUN: llc --start-before loop-reduce --stop-after loop-reduce %s -o - | FileCheck %s
target datalayout = "e-m:e-p:32:32-i64:64-n32-S128"
target triple = "x86_64-unknown-linux-gnu"
; CHECK-LABEL: @hoge
define void @hoge() {
bb:
%tmp = sext i32 undef to i64
%tmp3 = sub nsw i64 0, %tmp
br label %bb4
bb4: ; preds = %bb20, %bb
%tmp5 = getelementptr inbounds double, double* undef, i64 undef
%tmp6 = getelementptr inbounds double, double* %tmp5, i64 %tmp3
br label %bb7
bb7: ; preds = %bb7, %bb4
%tmp8 = phi double* [ %tmp10, %bb7 ], [ %tmp6, %bb4 ]
%tmp9 = load double, double* %tmp8
%tmp10 = getelementptr inbounds double, double* %tmp8, i64 1
br i1 true, label %bb11, label %bb7
bb11: ; preds = %bb7
br i1 undef, label %bb20, label %bb12
bb12: ; preds = %bb11
br label %bb13
bb13: ; preds = %bb13, %bb12
%tmp14 = phi double* [ %tmp18, %bb13 ], [ %tmp10, %bb12 ]
%tmp15 = load double, double* %tmp14, align 8
%tmp16 = getelementptr inbounds double, double* %tmp14, i64 1
%tmp17 = load double, double* %tmp16, align 8
%tmp18 = getelementptr inbounds double, double* %tmp14, i64 8
br i1 true, label %bb19, label %bb13
bb19: ; preds = %bb13
br label %bb20
bb20: ; preds = %bb19, %bb11
br label %bb4
}