| ; RUN: opt < %s -dfsan -S | FileCheck %s --check-prefixes=CHECK,LEGACY |
| ; RUN: opt < %s -dfsan -dfsan-fast-16-labels=true -S | FileCheck %s --check-prefixes=CHECK,FAST |
| ; RUN: opt < %s -dfsan -dfsan-fast-8-labels=true -S | FileCheck %s --check-prefixes=CHECK,FAST |
| 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-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| ; CHECK: @__dfsan_shadow_width_bits = weak_odr constant i32 [[#SBITS:]] |
| ; CHECK: @__dfsan_shadow_width_bytes = weak_odr constant i32 [[#SBYTES:]] |
| |
| define {i32, i32} @test({i32, i32} %a, i1 %c) { |
| ; LEGACY: [[AL:%.*]] = load i[[#SBITS]], i[[#SBITS]]* bitcast ([100 x i64]* @__dfsan_arg_tls to i[[#SBITS]]*), align [[ALIGN:2]] |
| ; LEGACY: [[PL:%.*]] = phi i[[#SBITS]] [ [[AL]], %T ], [ [[AL]], %F ] |
| ; LEGACY: store i[[#SBITS]] [[PL]], i[[#SBITS]]* bitcast ([100 x i64]* @__dfsan_retval_tls to i[[#SBITS]]*), align [[ALIGN]] |
| |
| ; FAST: [[AL:%.*]] = load { i[[#SBITS]], i[[#SBITS]] }, { i[[#SBITS]], i[[#SBITS]] }* bitcast ([100 x i64]* @__dfsan_arg_tls to { i[[#SBITS]], i[[#SBITS]] }*), align [[ALIGN:2]] |
| ; FAST: [[AL0:%.*]] = insertvalue { i[[#SBITS]], i[[#SBITS]] } [[AL]], i[[#SBITS]] 0, 0 |
| ; FAST: [[AL1:%.*]] = insertvalue { i[[#SBITS]], i[[#SBITS]] } [[AL]], i[[#SBITS]] 0, 1 |
| ; FAST: [[PL:%.*]] = phi { i[[#SBITS]], i[[#SBITS]] } [ [[AL0]], %T ], [ [[AL1]], %F ] |
| ; FAST: store { i[[#SBITS]], i[[#SBITS]] } [[PL]], { i[[#SBITS]], i[[#SBITS]] }* bitcast ([100 x i64]* @__dfsan_retval_tls to { i[[#SBITS]], i[[#SBITS]] }*), align [[ALIGN]] |
| |
| entry: |
| br i1 %c, label %T, label %F |
| |
| T: |
| %at = insertvalue {i32, i32} %a, i32 1, 0 |
| br label %done |
| |
| F: |
| %af = insertvalue {i32, i32} %a, i32 1, 1 |
| br label %done |
| |
| done: |
| %b = phi {i32, i32} [%at, %T], [%af, %F] |
| ret {i32, i32} %b |
| } |