mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2025-02-01 05:01:59 +01:00
443904009e
Instcombine will convert the nonnull and alignment assumption that use the boolean condtion to an assumption that uses the operand bundles when knowledge retention is enabled. Differential Revision: https://reviews.llvm.org/D82703
114 lines
4.4 KiB
LLVM
114 lines
4.4 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
|
; REQUIRES: asserts
|
|
|
|
; RUN: opt < %s -instcombine --debug-counter=assume-queries-counter-skip=0,assume-queries-counter-count=1 -S | FileCheck %s --check-prefixes=COUNTER1
|
|
; RUN: opt < %s -instcombine --debug-counter=assume-queries-counter-skip=1,assume-queries-counter-count=2 -S | FileCheck %s --check-prefixes=COUNTER2
|
|
; RUN: opt < %s -instcombine --debug-counter=assume-queries-counter-skip=2,assume-queries-counter-count=5 -S | FileCheck %s --check-prefixes=COUNTER3
|
|
|
|
declare i1 @get_val()
|
|
declare void @llvm.assume(i1)
|
|
|
|
define dso_local i1 @test1(i32* readonly %0) {
|
|
; COUNTER1-LABEL: @test1(
|
|
; COUNTER1-NEXT: call void @llvm.assume(i1 true) [ "nonnull"(i32* [[TMP0:%.*]]) ]
|
|
; COUNTER1-NEXT: ret i1 false
|
|
;
|
|
; COUNTER2-LABEL: @test1(
|
|
; COUNTER2-NEXT: call void @llvm.assume(i1 true) [ "nonnull"(i32* [[TMP0:%.*]]) ]
|
|
; COUNTER2-NEXT: [[TMP2:%.*]] = icmp eq i32* [[TMP0]], null
|
|
; COUNTER2-NEXT: ret i1 [[TMP2]]
|
|
;
|
|
; COUNTER3-LABEL: @test1(
|
|
; COUNTER3-NEXT: call void @llvm.assume(i1 true) [ "nonnull"(i32* [[TMP0:%.*]]) ]
|
|
; COUNTER3-NEXT: [[TMP2:%.*]] = icmp eq i32* [[TMP0]], null
|
|
; COUNTER3-NEXT: ret i1 [[TMP2]]
|
|
;
|
|
call void @llvm.assume(i1 true) ["nonnull"(i32* %0)]
|
|
%2 = icmp eq i32* %0, null
|
|
ret i1 %2
|
|
}
|
|
|
|
define dso_local i1 @test2(i32* readonly %0) {
|
|
; COUNTER1-LABEL: @test2(
|
|
; COUNTER1-NEXT: [[TMP2:%.*]] = icmp eq i32* [[TMP0:%.*]], null
|
|
; COUNTER1-NEXT: call void @llvm.assume(i1 true) [ "nonnull"(i32* [[TMP0]]) ]
|
|
; COUNTER1-NEXT: ret i1 [[TMP2]]
|
|
;
|
|
; COUNTER2-LABEL: @test2(
|
|
; COUNTER2-NEXT: [[TMP2:%.*]] = icmp eq i32* [[TMP0:%.*]], null
|
|
; COUNTER2-NEXT: call void @llvm.assume(i1 true) [ "nonnull"(i32* [[TMP0]]) ]
|
|
; COUNTER2-NEXT: ret i1 [[TMP2]]
|
|
;
|
|
; COUNTER3-LABEL: @test2(
|
|
; COUNTER3-NEXT: call void @llvm.assume(i1 true) [ "nonnull"(i32* [[TMP0:%.*]]) ]
|
|
; COUNTER3-NEXT: ret i1 false
|
|
;
|
|
%2 = icmp eq i32* %0, null
|
|
call void @llvm.assume(i1 true) ["nonnull"(i32* %0)]
|
|
ret i1 %2
|
|
}
|
|
|
|
define dso_local i32 @test4(i32* readonly %0, i1 %cond) {
|
|
; COUNTER1-LABEL: @test4(
|
|
; COUNTER1-NEXT: call void @llvm.assume(i1 true) [ "dereferenceable"(i32* [[TMP0:%.*]], i32 4) ]
|
|
; COUNTER1-NEXT: br i1 [[COND:%.*]], label [[A:%.*]], label [[B:%.*]]
|
|
; COUNTER1: B:
|
|
; COUNTER1-NEXT: br label [[A]]
|
|
; COUNTER1: A:
|
|
; COUNTER1-NEXT: [[TMP2:%.*]] = icmp eq i32* [[TMP0]], null
|
|
; COUNTER1-NEXT: br i1 [[TMP2]], label [[TMP5:%.*]], label [[TMP3:%.*]]
|
|
; COUNTER1: 3:
|
|
; COUNTER1-NEXT: [[TMP4:%.*]] = load i32, i32* [[TMP0]], align 4
|
|
; COUNTER1-NEXT: br label [[TMP5]]
|
|
; COUNTER1: 5:
|
|
; COUNTER1-NEXT: [[TMP6:%.*]] = phi i32 [ [[TMP4]], [[TMP3]] ], [ 0, [[A]] ]
|
|
; COUNTER1-NEXT: ret i32 [[TMP6]]
|
|
;
|
|
; COUNTER2-LABEL: @test4(
|
|
; COUNTER2-NEXT: call void @llvm.assume(i1 true) [ "dereferenceable"(i32* [[TMP0:%.*]], i32 4) ]
|
|
; COUNTER2-NEXT: br i1 [[COND:%.*]], label [[A:%.*]], label [[B:%.*]]
|
|
; COUNTER2: B:
|
|
; COUNTER2-NEXT: br label [[A]]
|
|
; COUNTER2: A:
|
|
; COUNTER2-NEXT: [[TMP2:%.*]] = icmp eq i32* [[TMP0]], null
|
|
; COUNTER2-NEXT: br i1 [[TMP2]], label [[TMP5:%.*]], label [[TMP3:%.*]]
|
|
; COUNTER2: 3:
|
|
; COUNTER2-NEXT: [[TMP4:%.*]] = load i32, i32* [[TMP0]], align 4
|
|
; COUNTER2-NEXT: br label [[TMP5]]
|
|
; COUNTER2: 5:
|
|
; COUNTER2-NEXT: [[TMP6:%.*]] = phi i32 [ [[TMP4]], [[TMP3]] ], [ 0, [[A]] ]
|
|
; COUNTER2-NEXT: ret i32 [[TMP6]]
|
|
;
|
|
; COUNTER3-LABEL: @test4(
|
|
; COUNTER3-NEXT: call void @llvm.assume(i1 true) [ "dereferenceable"(i32* [[TMP0:%.*]], i32 4) ]
|
|
; COUNTER3-NEXT: br i1 [[COND:%.*]], label [[A:%.*]], label [[B:%.*]]
|
|
; COUNTER3: B:
|
|
; COUNTER3-NEXT: br label [[A]]
|
|
; COUNTER3: A:
|
|
; COUNTER3-NEXT: br i1 false, label [[TMP4:%.*]], label [[TMP2:%.*]]
|
|
; COUNTER3: 2:
|
|
; COUNTER3-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP0]], align 4
|
|
; COUNTER3-NEXT: br label [[TMP4]]
|
|
; COUNTER3: 4:
|
|
; COUNTER3-NEXT: [[TMP5:%.*]] = phi i32 [ [[TMP3]], [[TMP2]] ], [ 0, [[A]] ]
|
|
; COUNTER3-NEXT: ret i32 [[TMP5]]
|
|
;
|
|
call void @llvm.assume(i1 true) ["dereferenceable"(i32* %0, i32 4)]
|
|
br i1 %cond, label %A, label %B
|
|
|
|
B:
|
|
br label %A
|
|
|
|
A:
|
|
%2 = icmp eq i32* %0, null
|
|
br i1 %2, label %5, label %3
|
|
|
|
3: ; preds = %1
|
|
%4 = load i32, i32* %0, align 4
|
|
br label %5
|
|
|
|
5: ; preds = %1, %3
|
|
%6 = phi i32 [ %4, %3 ], [ 0, %A ]
|
|
ret i32 %6
|
|
}
|