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1; RUN: opt < %s -msan-check-access-address=0 -msan-track-origins=1 -S -passes=msan 2>&1 | FileCheck %s2 3target 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"4target triple = "x86_64-unknown-linux-gnu"5 6; Test that result origin is directy propagated from the argument,7; and is not affected by all the literal undef operands.8; https://github.com/google/sanitizers/issues/5599 10define <4 x i32> @Shuffle(<4 x i32> %x) nounwind uwtable sanitize_memory {11entry:12 %y = shufflevector <4 x i32> %x, <4 x i32> undef, <4 x i32> <i32 1, i32 undef, i32 undef, i32 undef>13 ret <4 x i32> %y14}15 16; CHECK-LABEL: @Shuffle(17; CHECK: [[A:%.*]] = load i32, ptr @__msan_param_origin_tls18; CHECK: store i32 [[A]], ptr @__msan_retval_origin_tls19; CHECK: ret <4 x i32>20 21 22; Regression test for origin propagation in "select i1, float, float".23; https://github.com/google/sanitizers/issues/58124 25define float @SelectFloat(i1 %b, float %x, float %y) nounwind uwtable sanitize_memory {26entry:27 %z = select i1 %b, float %x, float %y28 ret float %z29}30 31; CHECK-LABEL: @SelectFloat(32; CHECK-NOT: select {{.*}} i32 0, i32 033; CHECK: ret float34