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