83 lines
3.5 KiB
LLVM
83 lines
3.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -indvars -S %s | FileCheck %s
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%struct.A = type { i8 }
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@c = global %struct.A* null
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@d = global i32 4
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define void @_Z3fn1v() {
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; CHECK-LABEL: @_Z3fn1v(
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; CHECK-NEXT: [[X2:%.*]] = load i32, i32* @d, align 4
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; CHECK-NEXT: [[X3:%.*]] = icmp slt i32 [[X2]], 1
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; CHECK-NEXT: [[X4:%.*]] = select i1 [[X3]], i32 1, i32 [[X2]]
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; CHECK-NEXT: [[X5:%.*]] = load %struct.A*, %struct.A** @c, align 8
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; CHECK-NEXT: [[J_SROA_0_0__SROA_IDX:%.*]] = getelementptr [[STRUCT_A:%.*]], %struct.A* [[X5]], i64 0, i32 0
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; CHECK-NEXT: [[J_SROA_0_0_COPYLOAD:%.*]] = load i8, i8* [[J_SROA_0_0__SROA_IDX]], align 1
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; CHECK-NEXT: br label [[DOTPREHEADER4_LR_PH:%.*]]
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; CHECK: .preheader4.lr.ph:
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; CHECK-NEXT: [[TMP1:%.*]] = add nsw i32 [[X4]], -1
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; CHECK-NEXT: [[TMP2:%.*]] = zext i32 [[TMP1]] to i64
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; CHECK-NEXT: [[TMP3:%.*]] = add nuw nsw i64 [[TMP2]], 1
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; CHECK-NEXT: [[TMP4:%.*]] = sext i8 [[J_SROA_0_0_COPYLOAD]] to i64
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; CHECK-NEXT: [[TMP5:%.*]] = mul i64 [[TMP3]], [[TMP4]]
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; CHECK-NEXT: br label [[DOTPREHEADER4:%.*]]
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; CHECK: .preheader4:
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; CHECK-NEXT: [[K_09:%.*]] = phi i8* [ undef, [[DOTPREHEADER4_LR_PH]] ], [ [[X25:%.*]], [[X22:%.*]] ]
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; CHECK-NEXT: [[X8:%.*]] = icmp ult i32 0, 4
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; CHECK-NEXT: br i1 [[X8]], label [[DOTPREHEADER_LR_PH:%.*]], label [[X22]]
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; CHECK: .preheader.lr.ph:
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; CHECK-NEXT: br label [[DOTPREHEADER:%.*]]
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; CHECK: .preheader:
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; CHECK-NEXT: br label [[X17:%.*]]
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; CHECK: x17:
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; CHECK-NEXT: br i1 false, label [[DOTPREHEADER]], label [[DOT_CRIT_EDGE_8:%.*]]
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; CHECK: ._crit_edge.8:
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; CHECK-NEXT: [[SCEVGEP:%.*]] = getelementptr i8, i8* [[K_09]], i64 [[TMP5]]
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; CHECK-NEXT: br label [[X22]]
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; CHECK: x22:
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; CHECK-NEXT: [[K_1_LCSSA:%.*]] = phi i8* [ [[SCEVGEP]], [[DOT_CRIT_EDGE_8]] ], [ [[K_09]], [[DOTPREHEADER4]] ]
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; CHECK-NEXT: [[X25]] = getelementptr i8, i8* [[K_1_LCSSA]]
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; CHECK-NEXT: br label [[DOTPREHEADER4]]
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;
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%x2 = load i32, i32* @d
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%x3 = icmp slt i32 %x2, 1
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%x4 = select i1 %x3, i32 1, i32 %x2
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%x5 = load %struct.A*, %struct.A** @c
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%j.sroa.0.0..sroa_idx = getelementptr %struct.A, %struct.A* %x5, i64 0, i32 0
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%j.sroa.0.0.copyload = load i8, i8* %j.sroa.0.0..sroa_idx
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br label %.preheader4.lr.ph
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.preheader4.lr.ph: ; preds = %0
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br label %.preheader4
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.preheader4: ; preds = %x22, %.preheader4.lr.ph
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%k.09 = phi i8* [ undef, %.preheader4.lr.ph ], [ %x25, %x22 ]
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%x8 = icmp ult i32 0, 4
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br i1 %x8, label %.preheader.lr.ph, label %x22
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.preheader.lr.ph: ; preds = %.preheader4
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br label %.preheader
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.preheader: ; preds = %x17, %.preheader.lr.ph
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%k.17 = phi i8* [ %k.09, %.preheader.lr.ph ], [ %x19, %x17 ]
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%v.06 = phi i32 [ 0, %.preheader.lr.ph ], [ %x20, %x17 ]
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br label %x17
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x17: ; preds = %.preheader
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%x18 = sext i8 %j.sroa.0.0.copyload to i64
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%x19 = getelementptr i8, i8* %k.17, i64 %x18
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%x20 = add i32 %v.06, 1
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%x21 = icmp ult i32 %x20, %x4
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br i1 %x21, label %.preheader, label %._crit_edge.8
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._crit_edge.8: ; preds = %x17
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%split = phi i8* [ %x19, %x17 ]
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br label %x22
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x22: ; preds = %._crit_edge.8, %.preheader4
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%k.1.lcssa = phi i8* [ %split, %._crit_edge.8 ], [ %k.09, %.preheader4 ]
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%x25 = getelementptr i8, i8* %k.1.lcssa
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br label %.preheader4
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}
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