78 lines
1.7 KiB
LLVM
78 lines
1.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
|
; RUN: opt < %s -instcombine -S | FileCheck %s
|
|
|
|
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
|
|
|
|
define i1 @test1(i32 %X) {
|
|
; CHECK-LABEL: @test1(
|
|
; CHECK-NEXT: [[C:%.*]] = icmp ne i32 %X, 12
|
|
; CHECK-NEXT: ret i1 [[C]]
|
|
;
|
|
%A = bitcast i32 %X to i32
|
|
; Convert to setne int %X, 12
|
|
%c = icmp ne i32 %A, 12
|
|
ret i1 %c
|
|
}
|
|
|
|
define i1 @test2(i32 %X, i32 %Y) {
|
|
; CHECK-LABEL: @test2(
|
|
; CHECK-NEXT: [[C:%.*]] = icmp ne i32 %X, %Y
|
|
; CHECK-NEXT: ret i1 [[C]]
|
|
;
|
|
%A = bitcast i32 %X to i32
|
|
%B = bitcast i32 %Y to i32
|
|
; Convert to setne int %X, %Y
|
|
%c = icmp ne i32 %A, %B
|
|
ret i1 %c
|
|
}
|
|
|
|
define i32 @test4(i32 %A) {
|
|
; CHECK-LABEL: @test4(
|
|
; CHECK-NEXT: [[C:%.*]] = shl i32 %A, 2
|
|
; CHECK-NEXT: ret i32 [[C]]
|
|
;
|
|
%B = bitcast i32 %A to i32
|
|
%C = shl i32 %B, 2
|
|
%D = bitcast i32 %C to i32
|
|
ret i32 %D
|
|
}
|
|
|
|
define i16 @test5(i16 %A) {
|
|
; CHECK-LABEL: @test5(
|
|
; CHECK-NEXT: [[C:%.*]] = and i16 %A, 15
|
|
; CHECK-NEXT: ret i16 [[C]]
|
|
;
|
|
%B = sext i16 %A to i32
|
|
%C = and i32 %B, 15
|
|
%D = trunc i32 %C to i16
|
|
ret i16 %D
|
|
}
|
|
|
|
define i1 @test6(i1 %A) {
|
|
; CHECK-LABEL: @test6(
|
|
; CHECK-NEXT: ret i1 %A
|
|
;
|
|
%B = zext i1 %A to i32
|
|
%C = icmp ne i32 %B, 0
|
|
ret i1 %C
|
|
}
|
|
|
|
define i1 @test6a(i1 %A) {
|
|
; CHECK-LABEL: @test6a(
|
|
; CHECK-NEXT: ret i1 true
|
|
;
|
|
%B = zext i1 %A to i32
|
|
%C = icmp ne i32 %B, -1
|
|
ret i1 %C
|
|
}
|
|
|
|
define i1 @test7(i8* %A) {
|
|
; CHECK-LABEL: @test7(
|
|
; CHECK-NEXT: [[C:%.*]] = icmp eq i8* %A, null
|
|
; CHECK-NEXT: ret i1 [[C]]
|
|
;
|
|
%B = bitcast i8* %A to i32*
|
|
%C = icmp eq i32* %B, null
|
|
ret i1 %C
|
|
}
|