| ; RUN: llc -verify-machineinstrs -mtriple=s390x-linux-gnu < %s -debug -stop-after=machineverifier 2>&1 | FileCheck %s |
| |
| ; REQUIRES: asserts |
| define i128 @func1({ i128, i8* } %struct) { |
| ; Verify that we get a combine on the build_pair, creating a LD8 load somewhere |
| ; between "Initial selection DAG" and "Optimized lowered selection DAG". |
| ; The target is big-endian, and stack grows towards higher addresses, |
| ; so we expect the LD8 to load from the address used in the original HIBITS |
| ; load. |
| ; CHECK-LABEL: Initial selection DAG: |
| ; CHECK: [[LOBITS:t[0-9]+]]: i64,ch = load<(load 8)> |
| ; CHECK: [[HIBITS:t[0-9]+]]: i64,ch = load<(load 8)> |
| ; CHECK: Combining: t{{[0-9]+}}: i128 = build_pair [[LOBITS]], [[HIBITS]] |
| ; CHECK-NEXT: Creating new node |
| ; CHECK-SAME: load<(load 16, align 8)> |
| ; CHECK-NEXT: into |
| ; CHECK-SAME: load<(load 16, align 8)> |
| ; CHECK-LABEL: Optimized lowered selection DAG: |
| %result = extractvalue {i128, i8* } %struct, 0 |
| ret i128 %result |
| } |
| |
