bolt/deps/llvm-18.1.8/llvm/test/Transforms/InstCombine/vscale_trunc.ll
2025-02-14 19:21:04 +01:00

43 lines
1.1 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes=instcombine -S | FileCheck %s
define i8 @vscale_trunc_i32toi8() vscale_range(1, 128) {
; CHECK-LABEL: @vscale_trunc_i32toi8(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP0:%.*]] = call i8 @llvm.vscale.i8()
; CHECK-NEXT: ret i8 [[TMP0]]
;
entry:
%0 = call i32 @llvm.vscale.i32()
%1 = trunc i32 %0 to i8
ret i8 %1
}
define i8 @vscale_trunc_i32toi8_poison() vscale_range(1, 256) {
; CHECK-LABEL: @vscale_trunc_i32toi8_poison(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP0:%.*]] = call i32 @llvm.vscale.i32()
; CHECK-NEXT: [[TMP1:%.*]] = trunc i32 [[TMP0]] to i8
; CHECK-NEXT: ret i8 [[TMP1]]
;
entry:
%0 = call i32 @llvm.vscale.i32()
%1 = trunc i32 %0 to i8
ret i8 %1
}
define i8 @vscale_trunc_i32toi8_noAttr() {
; CHECK-LABEL: @vscale_trunc_i32toi8_noAttr(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP0:%.*]] = call i32 @llvm.vscale.i32()
; CHECK-NEXT: [[TMP1:%.*]] = trunc i32 [[TMP0]] to i8
; CHECK-NEXT: ret i8 [[TMP1]]
;
entry:
%0 = call i32 @llvm.vscale.i32()
%1 = trunc i32 %0 to i8
ret i8 %1
}
declare i32 @llvm.vscale.i32()