88 lines
3.5 KiB
LLVM
88 lines
3.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -function-specialization -deadargelim -force-function-specialization -S < %s | FileCheck %s
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; RUN: opt -function-specialization -func-specialization-max-iters=1 -deadargelim -force-function-specialization -S < %s | FileCheck %s
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; RUN: opt -function-specialization -func-specialization-max-iters=0 -deadargelim -force-function-specialization -S < %s | FileCheck %s --check-prefix=DISABLED
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; RUN: opt -function-specialization -func-specialization-avg-iters-cost=1 -deadargelim -force-function-specialization -S < %s | FileCheck %s
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; DISABLED-NOT: @func.1(
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; DISABLED-NOT: @func.2(
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define internal i32 @func(i32* %0, i32 %1, void (i32*)* nocapture %2) {
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%4 = alloca i32, align 4
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store i32 %1, i32* %4, align 4
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%5 = load i32, i32* %4, align 4
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%6 = icmp slt i32 %5, 1
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br i1 %6, label %14, label %7
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7: ; preds = %3
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%8 = load i32, i32* %4, align 4
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%9 = sext i32 %8 to i64
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%10 = getelementptr inbounds i32, i32* %0, i64 %9
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call void %2(i32* %10)
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%11 = load i32, i32* %4, align 4
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%12 = add nsw i32 %11, -1
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%13 = call i32 @func(i32* %0, i32 %12, void (i32*)* %2)
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br label %14
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14: ; preds = %3, %7
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ret i32 0
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}
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define internal void @increment(i32* nocapture %0) {
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%2 = load i32, i32* %0, align 4
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%3 = add nsw i32 %2, 1
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store i32 %3, i32* %0, align 4
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ret void
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}
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define internal void @decrement(i32* nocapture %0) {
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%2 = load i32, i32* %0, align 4
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%3 = add nsw i32 %2, -1
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store i32 %3, i32* %0, align 4
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ret void
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}
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define i32 @main(i32* %0, i32 %1) {
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; CHECK: [[TMP3:%.*]] = call i32 @func.2(i32* [[TMP0:%.*]], i32 [[TMP1:%.*]])
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%3 = call i32 @func(i32* %0, i32 %1, void (i32*)* nonnull @increment)
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; CHECK: [[TMP4:%.*]] = call i32 @func.1(i32* [[TMP0]], i32 [[TMP3]])
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%4 = call i32 @func(i32* %0, i32 %3, void (i32*)* nonnull @decrement)
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ret i32 %4
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}
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; CHECK: @func.1(
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; CHECK: [[TMP3:%.*]] = alloca i32, align 4
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; CHECK: store i32 [[TMP1:%.*]], i32* [[TMP3]], align 4
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; CHECK: [[TMP4:%.*]] = load i32, i32* [[TMP3]], align 4
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; CHECK: [[TMP5:%.*]] = icmp slt i32 [[TMP4]], 1
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; CHECK: br i1 [[TMP5]], label [[TMP13:%.*]], label [[TMP6:%.*]]
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; CHECK: 6:
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; CHECK: [[TMP7:%.*]] = load i32, i32* [[TMP3]], align 4
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; CHECK: [[TMP8:%.*]] = sext i32 [[TMP7]] to i64
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; CHECK: [[TMP9:%.*]] = getelementptr inbounds i32, i32* [[TMP0:%.*]], i64 [[TMP8]]
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; CHECK: call void @decrement(i32* [[TMP9]])
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; CHECK: [[TMP10:%.*]] = load i32, i32* [[TMP3]], align 4
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; CHECK: [[TMP11:%.*]] = add nsw i32 [[TMP10]], -1
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; CHECK: [[TMP12:%.*]] = call i32 @func.1(i32* [[TMP0]], i32 [[TMP11]])
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; CHECK: br label [[TMP13]]
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; CHECK: 13:
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; CHECK: ret i32 0
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;
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;
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; CHECK: @func.2(
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; CHECK: [[TMP3:%.*]] = alloca i32, align 4
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; CHECK: store i32 [[TMP1:%.*]], i32* [[TMP3]], align 4
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; CHECK: [[TMP4:%.*]] = load i32, i32* [[TMP3]], align 4
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; CHECK: [[TMP5:%.*]] = icmp slt i32 [[TMP4]], 1
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; CHECK: br i1 [[TMP5]], label [[TMP13:%.*]], label [[TMP6:%.*]]
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; CHECK: 6:
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; CHECK: [[TMP7:%.*]] = load i32, i32* [[TMP3]], align 4
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; CHECK: [[TMP8:%.*]] = sext i32 [[TMP7]] to i64
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; CHECK: [[TMP9:%.*]] = getelementptr inbounds i32, i32* [[TMP0:%.*]], i64 [[TMP8]]
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; CHECK: call void @increment(i32* [[TMP9]])
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; CHECK: [[TMP10:%.*]] = load i32, i32* [[TMP3]], align 4
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; CHECK: [[TMP11:%.*]] = add nsw i32 [[TMP10]], -1
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; CHECK: [[TMP12:%.*]] = call i32 @func.2(i32* [[TMP0]], i32 [[TMP11]])
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; CHECK: br label [[TMP13]]
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; CHECK: ret i32 0
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