llvm-for-llvmta/test/Transforms/IndVarSimplify/widen-i32-i8ptr.ll

39 lines
2.0 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -indvars -S | FileCheck %s
target datalayout = "e-m:e-i64:64-n32:64"
define dso_local void @Widen_i32_i8ptr() local_unnamed_addr {
; CHECK-LABEL: @Widen_i32_i8ptr(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[PTRIDS:%.*]] = alloca [15 x i8*], align 8
; CHECK-NEXT: [[ARRAYDECAY2032:%.*]] = getelementptr inbounds [15 x i8*], [15 x i8*]* [[PTRIDS]], i64 0, i64 0
; CHECK-NEXT: store i8** [[ARRAYDECAY2032]], i8*** inttoptr (i64 8 to i8***), align 8
; CHECK-NEXT: br label [[FOR_COND2106:%.*]]
; CHECK: for.cond2106:
; CHECK-NEXT: [[GID_0:%.*]] = phi i8* [ null, [[ENTRY:%.*]] ], [ [[INCDEC_PTR:%.*]], [[FOR_COND2106]] ]
; CHECK-NEXT: [[I_0:%.*]] = phi i32 [ 0, [[ENTRY]] ], [ [[INC2117:%.*]], [[FOR_COND2106]] ]
; CHECK-NEXT: [[INCDEC_PTR]] = getelementptr inbounds i8, i8* [[GID_0]], i64 1
; CHECK-NEXT: [[IDXPROM2114:%.*]] = zext i32 [[I_0]] to i64
; CHECK-NEXT: [[ARRAYIDX2115:%.*]] = getelementptr inbounds [15 x i8*], [15 x i8*]* [[PTRIDS]], i64 0, i64 [[IDXPROM2114]]
; CHECK-NEXT: store i8* [[GID_0]], i8** [[ARRAYIDX2115]], align 8
; CHECK-NEXT: [[INC2117]] = add nuw nsw i32 [[I_0]], 1
; CHECK-NEXT: br label [[FOR_COND2106]]
;
entry:
%ptrids = alloca [15 x i8*], align 8
%arraydecay2032 = getelementptr inbounds [15 x i8*], [15 x i8*]* %ptrids, i64 0, i64 0
store i8** %arraydecay2032, i8*** inttoptr (i64 8 to i8***), align 8
br label %for.cond2106
for.cond2106: ; preds = %for.cond2106, %entry
%gid.0 = phi i8* [ null, %entry ], [ %incdec.ptr, %for.cond2106 ]
%i.0 = phi i32 [ 0, %entry ], [ %inc2117, %for.cond2106 ]
%incdec.ptr = getelementptr inbounds i8, i8* %gid.0, i64 1
%idxprom2114 = zext i32 %i.0 to i64
%arrayidx2115 = getelementptr inbounds [15 x i8*], [15 x i8*]* %ptrids, i64 0, i64 %idxprom2114
store i8* %gid.0, i8** %arrayidx2115, align 8
%inc2117 = add nuw nsw i32 %i.0, 1
br label %for.cond2106
}