83 lines
2.4 KiB
LLVM
83 lines
2.4 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -passes="default<O3>" -S < %s | FileCheck %s
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target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
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target triple = "aarch64-unknown-linux-unknown"
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define i128 @__muloti4(i128 %0, i128 %1, ptr nonnull align 4 %2) {
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; CHECK-LABEL: @__muloti4(
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; CHECK-NEXT: Entry:
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; CHECK-NEXT: [[DOTFR:%.*]] = freeze i128 [[TMP1:%.*]]
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; CHECK-NEXT: store i32 0, ptr [[TMP2:%.*]], align 4
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; CHECK-NEXT: [[MUL:%.*]] = tail call { i128, i1 } @llvm.smul.with.overflow.i128(i128 [[TMP0:%.*]], i128 [[DOTFR]])
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; CHECK-NEXT: [[TMP3:%.*]] = icmp slt i128 [[TMP0]], 0
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; CHECK-NEXT: [[TMP4:%.*]] = icmp eq i128 [[DOTFR]], -170141183460469231731687303715884105728
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; CHECK-NEXT: [[TMP5:%.*]] = and i1 [[TMP3]], [[TMP4]]
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; CHECK-NEXT: br i1 [[TMP5]], label [[THEN7:%.*]], label [[ELSE2:%.*]]
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; CHECK: Else2:
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; CHECK-NEXT: [[MUL_OV:%.*]] = extractvalue { i128, i1 } [[MUL]], 1
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; CHECK-NEXT: br i1 [[MUL_OV]], label [[THEN7]], label [[BLOCK9:%.*]]
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; CHECK: Then7:
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; CHECK-NEXT: store i32 1, ptr [[TMP2]], align 4
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; CHECK-NEXT: br label [[BLOCK9]]
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; CHECK: Block9:
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; CHECK-NEXT: [[MUL_VAL:%.*]] = extractvalue { i128, i1 } [[MUL]], 0
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; CHECK-NEXT: ret i128 [[MUL_VAL]]
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;
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Entry:
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%3 = alloca i128, align 16
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%4 = alloca i128, align 16
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store i32 0, ptr %2, align 4
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%5 = mul i128 %0, %1
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store i128 %5, ptr %3, align 16
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%6 = icmp slt i128 %0, 0
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br i1 %6, label %Then, label %Else
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Then:
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%7 = icmp eq i128 %1, -170141183460469231731687303715884105728
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br label %Block
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Else:
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br label %Block
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Block:
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%8 = phi i1 [ %7, %Then ], [ false, %Else ]
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br i1 %8, label %Then1, label %Else2
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Then1:
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br label %Block6
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Else2:
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%9 = icmp ne i128 %0, 0
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br i1 %9, label %Then3, label %Else4
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Then3:
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%10 = load i128, ptr %3, align 16
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%11 = sdiv i128 %10, %0
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%12 = icmp ne i128 %11, %1
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br label %Block5
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Else4:
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br label %Block5
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Block5:
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%13 = phi i1 [ %12, %Then3 ], [ false, %Else4 ]
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br label %Block6
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Block6:
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%14 = phi i1 [ true, %Then1 ], [ %13, %Block5 ]
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br i1 %14, label %Then7, label %Else8
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Then7:
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store i32 1, ptr %2, align 4
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br label %Block9
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Else8:
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br label %Block9
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Block9: ; preds = %Else8, %Then7
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%15 = load i128, ptr %3, align 16
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store i128 %15, ptr %4, align 16
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%16 = load i128, ptr %4, align 16
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ret i128 %16
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}
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