7b3e943dfc
Originally reverted because of a bug in Range that is now fixed (#86041), we can reland this commit. Tests have been added to ensure the miscompile that caused the revert does not happen again.
74 lines
2.9 KiB
LLVM
74 lines
2.9 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
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; RUN: opt < %s -passes=float2int -S | FileCheck %s -check-prefixes=CHECK,NONE
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; RUN: opt < %s -passes=float2int -S --data-layout="n64" | FileCheck %s -check-prefixes=CHECK,ONLY64
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; RUN: opt < %s -passes=float2int -S --data-layout="n8:16:32:64"| FileCheck %s -check-prefixes=CHECK,MULTIPLE
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; RUN: opt < %s -passes=float2int -S --data-layout="e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"| FileCheck %s -check-prefixes=CHECK,PR-79158
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define i32 @pr79158(i32 %x) {
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; CHECK-LABEL: define i32 @pr79158(
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; CHECK-SAME: i32 [[X:%.*]]) {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i32 [[X]], 0
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; CHECK-NEXT: [[TMP0:%.*]] = zext i1 [[CMP]] to i64
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; CHECK-NEXT: [[MUL1:%.*]] = mul i64 [[TMP0]], 4294967295
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; CHECK-NEXT: [[TMP1:%.*]] = trunc i64 [[MUL1]] to i32
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; CHECK-NEXT: ret i32 [[TMP1]]
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;
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entry:
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%cmp = icmp sgt i32 %x, 0
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%conv = uitofp i1 %cmp to double
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%mul = fmul double %conv, 0x41EFFFFFFFE00000
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%conv1 = fptoui double %mul to i32
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ret i32 %conv1
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}
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define i32 @pr79158_2(i32 %x) {
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; NONE-LABEL: define i32 @pr79158_2(
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; NONE-SAME: i32 [[X:%.*]]) {
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; NONE-NEXT: entry:
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; NONE-NEXT: [[CMP:%.*]] = icmp sgt i32 [[X]], 0
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; NONE-NEXT: [[TMP0:%.*]] = zext i1 [[CMP]] to i32
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; NONE-NEXT: [[MUL1:%.*]] = mul i32 [[TMP0]], 255
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; NONE-NEXT: [[TMP1:%.*]] = trunc i32 [[MUL1]] to i8
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; NONE-NEXT: [[CONV2:%.*]] = zext i8 [[TMP1]] to i32
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; NONE-NEXT: ret i32 [[CONV2]]
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;
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; ONLY64-LABEL: define i32 @pr79158_2(
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; ONLY64-SAME: i32 [[X:%.*]]) {
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; ONLY64-NEXT: entry:
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; ONLY64-NEXT: [[CMP:%.*]] = icmp sgt i32 [[X]], 0
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; ONLY64-NEXT: [[TMP0:%.*]] = zext i1 [[CMP]] to i64
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; ONLY64-NEXT: [[MUL1:%.*]] = mul i64 [[TMP0]], 255
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; ONLY64-NEXT: [[TMP1:%.*]] = trunc i64 [[MUL1]] to i8
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; ONLY64-NEXT: [[CONV2:%.*]] = zext i8 [[TMP1]] to i32
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; ONLY64-NEXT: ret i32 [[CONV2]]
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;
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; MULTIPLE-LABEL: define i32 @pr79158_2(
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; MULTIPLE-SAME: i32 [[X:%.*]]) {
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; MULTIPLE-NEXT: entry:
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; MULTIPLE-NEXT: [[CMP:%.*]] = icmp sgt i32 [[X]], 0
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; MULTIPLE-NEXT: [[TMP0:%.*]] = zext i1 [[CMP]] to i16
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; MULTIPLE-NEXT: [[MUL1:%.*]] = mul i16 [[TMP0]], 255
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; MULTIPLE-NEXT: [[TMP1:%.*]] = trunc i16 [[MUL1]] to i8
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; MULTIPLE-NEXT: [[CONV2:%.*]] = zext i8 [[TMP1]] to i32
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; MULTIPLE-NEXT: ret i32 [[CONV2]]
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;
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; PR-79158-LABEL: define i32 @pr79158_2(
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; PR-79158-SAME: i32 [[X:%.*]]) {
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; PR-79158-NEXT: entry:
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; PR-79158-NEXT: [[CMP:%.*]] = icmp sgt i32 [[X]], 0
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; PR-79158-NEXT: [[TMP0:%.*]] = zext i1 [[CMP]] to i16
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; PR-79158-NEXT: [[MUL1:%.*]] = mul i16 [[TMP0]], 255
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; PR-79158-NEXT: [[TMP1:%.*]] = trunc i16 [[MUL1]] to i8
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; PR-79158-NEXT: [[CONV2:%.*]] = zext i8 [[TMP1]] to i32
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; PR-79158-NEXT: ret i32 [[CONV2]]
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;
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entry:
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%cmp = icmp sgt i32 %x, 0
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%conv = uitofp i1 %cmp to float
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%mul = fmul float %conv, 2.550000e+02
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%conv1 = fptoui float %mul to i8
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%conv2 = zext i8 %conv1 to i32
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ret i32 %conv2
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}
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