; RUN: opt < %s -S -mcpu=z13 -msan-kernel=1 -float-abi=soft -passes=msan 2>&1 | FileCheck %s target datalayout = "E-m:e-i1:8:16-i8:8:16-i64:64-f128:64-a:8:16-n32:64" target triple = "s390x-unknown-linux-gnu" declare i64 @foo(i64 %guard, ...) #0 attributes #0 = { "target-features"="+soft-float" "use-soft-float"="true" } declare i32 @random_i32() declare i64 @random_i64() declare float @random_float() declare double @random_double() define i64 @bar() #1 { %arg2 = call i32 () @random_i32() %arg3 = call float () @random_float() %arg4 = call i32 () @random_i32() %arg5 = call double () @random_double() %arg6 = call i64 () @random_i64() %arg9 = call i32 () @random_i32() %arg11 = call float () @random_float() %arg12 = call i32 () @random_i32() %arg13 = call double () @random_double() %arg14 = call i64 () @random_i64() %1 = call i64 (i64, ...) @foo(i64 1, i32 zeroext %arg2, float %arg3, i32 signext %arg4, double %arg5, i64 %arg6, i64 7, double 8.0, i32 zeroext %arg9, double 10.0, float %arg11, i32 signext %arg12, double %arg13, i64 %arg14) ret i64 %1 } attributes #1 = { sanitize_memory } ; In kernel the floating point values are passed in GPRs: ; - r2@16 == i64 1 - skipped, because it's fixed ; - r3@24 == i32 zext %arg2 - shadow is zero-extended ; - r4@(32 + 4) == float %arg3 - right-justified, shadow is 32-bit ; - r5@40 == i32 sext %arg4 - shadow is sign-extended ; - r6@48 == double %arg5 - straightforward ; - overflow@160 == i64 %arg6 - straightforward ; - overflow@168 == 7 - filler ; - overflow@176 == 8.0 - filler ; - overflow@184 == i32 zext %arg9 - shadow is zero-extended ; - overflow@192 == 10.0 - filler ; - overflow@(200 + 4) == float %arg11 - right-justified, shadow is 32-bit ; - overflow@208 == i32 sext %arg12 - shadow is sign-extended ; - overflow@216 == double %arg13 - straightforward ; - overflow@224 == i64 %arg14 - straightforward ; Overflow arg area size is 72. ; CHECK-LABEL: @bar ; CHECK: [[B:%.*]] = ptrtoint ptr %va_arg_shadow to i64 ; CHECK: [[S:%.*]] = add i64 [[B]], 24 ; CHECK: [[V:%.*]] = zext {{.*}} ; CHECK: [[M:%_msarg_va_s.*]] = inttoptr i64 [[S]] to ptr ; CHECK: store {{.*}} [[V]], {{.*}} [[M]] ; CHECK: [[B:%.*]] = ptrtoint ptr %va_arg_shadow to i64 ; CHECK: [[S:%.*]] = add i64 [[B]], 36 ; CHECK: [[M:%_msarg_va_s.*]] = inttoptr i64 [[S]] to ptr ; CHECK: store {{.*}} [[M]] ; CHECK: [[B:%.*]] = ptrtoint ptr %va_arg_shadow to i64 ; CHECK: [[S:%.*]] = add i64 [[B]], 40 ; CHECK: [[V:%.*]] = sext {{.*}} ; CHECK: [[M:%_msarg_va_s.*]] = inttoptr i64 [[S]] to ptr ; CHECK: store {{.*}} [[V]], {{.*}} [[M]] ; CHECK: [[B:%.*]] = ptrtoint ptr %va_arg_shadow to i64 ; CHECK: [[S:%.*]] = add i64 [[B]], 48 ; CHECK: [[M:%_msarg_va_s.*]] = inttoptr i64 [[S]] to ptr ; CHECK: store {{.*}} [[M]] ; CHECK: [[B:%.*]] = ptrtoint ptr %va_arg_shadow to i64 ; CHECK: [[S:%.*]] = add i64 [[B]], 160 ; CHECK: [[M:%_msarg_va_s.*]] = inttoptr i64 [[S]] to ptr ; CHECK: store {{.*}} [[M]] ; CHECK: [[B:%.*]] = ptrtoint ptr %va_arg_shadow to i64 ; CHECK: [[S:%.*]] = add i64 [[B]], 168 ; CHECK: [[M:%_msarg_va_s.*]] = inttoptr i64 [[S]] to ptr ; CHECK: store {{.*}} [[M]] ; CHECK: [[B:%.*]] = ptrtoint ptr %va_arg_shadow to i64 ; CHECK: [[S:%.*]] = add i64 [[B]], 176 ; CHECK: [[M:%_msarg_va_s.*]] = inttoptr i64 [[S]] to ptr ; CHECK: store {{.*}} [[M]] ; CHECK: [[B:%.*]] = ptrtoint ptr %va_arg_shadow to i64 ; CHECK: [[S:%.*]] = add i64 [[B]], 184 ; CHECK: [[V:%.*]] = zext {{.*}} ; CHECK: [[M:%_msarg_va_s.*]] = inttoptr i64 [[S]] to ptr ; CHECK: store {{.*}} [[V]], {{.*}} [[M]] ; CHECK: [[B:%.*]] = ptrtoint ptr %va_arg_shadow to i64 ; CHECK: [[S:%.*]] = add i64 [[B]], 192 ; CHECK: [[M:%_msarg_va_s.*]] = inttoptr i64 [[S]] to ptr ; CHECK: store {{.*}} [[M]] ; CHECK: [[B:%.*]] = ptrtoint ptr %va_arg_shadow to i64 ; CHECK: [[S:%.*]] = add i64 [[B]], 204 ; CHECK: [[M:%_msarg_va_s.*]] = inttoptr i64 [[S]] to ptr ; CHECK: store {{.*}} [[M]] ; CHECK: [[B:%.*]] = ptrtoint ptr %va_arg_shadow to i64 ; CHECK: [[S:%.*]] = add i64 [[B]], 208 ; CHECK: [[V:%.*]] = sext {{.*}} ; CHECK: [[M:%_msarg_va_s.*]] = inttoptr i64 [[S]] to ptr ; CHECK: store {{.*}} [[V]], {{.*}} [[M]] ; CHECK: [[B:%.*]] = ptrtoint ptr %va_arg_shadow to i64 ; CHECK: [[S:%.*]] = add i64 [[B]], 216 ; CHECK: [[M:%_msarg_va_s.*]] = inttoptr i64 [[S]] to ptr ; CHECK: store {{.*}} [[M]] ; CHECK: [[B:%.*]] = ptrtoint ptr %va_arg_shadow to i64 ; CHECK: [[S:%.*]] = add i64 [[B]], 224 ; CHECK: [[M:%_msarg_va_s.*]] = inttoptr i64 [[S]] to ptr ; CHECK: store {{.*}} [[M]] ; CHECK: store {{.*}} 72, {{.*}} %va_arg_overflow_size