Files
clang-p2996/llvm/test/Transforms/InstSimplify/ConstProp/extractvalue.ll
Arthur Eubanks 486ed88533 [ConstProp] Remove ConstantPropagation
As discussed in
http://lists.llvm.org/pipermail/llvm-dev/2020-July/143801.html.

Currently no users outside of unit tests.

Replace all instances in tests of -constprop with -instsimplify.
Notable changes in tests:
* vscale.ll - @llvm.sadd.sat.nxv16i8 is evaluated by instsimplify, use a fake intrinsic instead
* InsertElement.ll - insertelement undef is removed by instsimplify in @insertelement_undef
llvm/test/Transforms/ConstProp moved to llvm/test/Transforms/InstSimplify/ConstProp

Reviewed By: lattner, nikic

Differential Revision: https://reviews.llvm.org/D85159
2020-08-26 15:51:30 -07:00

68 lines
1.4 KiB
LLVM

; RUN: opt < %s -instsimplify -S | FileCheck %s
%struct = type { i32, [4 x i8] }
define i32 @test1() {
%A = extractvalue %struct { i32 2, [4 x i8] c"foo\00" }, 0
ret i32 %A
; CHECK-LABEL: @test1(
; CHECK: ret i32 2
}
define i8 @test2() {
%A = extractvalue %struct { i32 2, [4 x i8] c"foo\00" }, 1, 2
ret i8 %A
; CHECK-LABEL: @test2(
; CHECK: ret i8 111
}
define i32 @test3() {
%A = extractvalue [3 x %struct] [ %struct { i32 0, [4 x i8] c"aaaa" }, %struct { i32 1, [4 x i8] c"bbbb" }, %struct { i32 2, [4 x i8] c"cccc" } ], 1, 0
ret i32 %A
; CHECK-LABEL: @test3(
; CHECK: ret i32 1
}
define i32 @zeroinitializer-test1() {
%A = extractvalue %struct zeroinitializer, 0
ret i32 %A
; CHECK: @zeroinitializer-test1
; CHECK: ret i32 0
}
define i8 @zeroinitializer-test2() {
%A = extractvalue %struct zeroinitializer, 1, 2
ret i8 %A
; CHECK: @zeroinitializer-test2
; CHECK: ret i8 0
}
define i32 @zeroinitializer-test3() {
%A = extractvalue [3 x %struct] zeroinitializer, 1, 0
ret i32 %A
; CHECK: @zeroinitializer-test3
; CHECK: ret i32 0
}
define i32 @undef-test1() {
%A = extractvalue %struct undef, 0
ret i32 %A
; CHECK: @undef-test1
; CHECK: ret i32 undef
}
define i8 @undef-test2() {
%A = extractvalue %struct undef, 1, 2
ret i8 %A
; CHECK: @undef-test2
; CHECK: ret i8 undef
}
define i32 @undef-test3() {
%A = extractvalue [3 x %struct] undef, 1, 0
ret i32 %A
; CHECK: @undef-test3
; CHECK: ret i32 undef
}