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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes="ipsccp<func-spec>,deadargelim" -force-specialization -S < %s | FileCheck %s
; RUN: opt -passes="ipsccp<func-spec>,deadargelim" -funcspec-max-iters=1 -force-specialization -S < %s | FileCheck %s
; RUN: opt -passes="ipsccp<func-spec>,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
|
