| ; RUN: opt -codegenprepare < %s -S | FileCheck %s |
| |
| target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128" |
| target triple = "aarch64--linux-gnu" |
| |
| %struct.match_state = type { i64, i64 } |
| |
| ; %add is also promoted by forking an extra sext. |
| define void @promoteTwoOne(i32 %i, i32 %j, i64* %P1, i64* %P2 ) { |
| ; CHECK-LABEL: @promoteTwoOne |
| ; CHECK-LABEL: entry: |
| ; CHECK: %[[SEXT1:.*]] = sext i32 %i to i64 |
| ; CHECK: %[[SEXT2:.*]] = sext i32 %j to i64 |
| ; CHECK: %add = add nsw i64 %[[SEXT1]], %[[SEXT2]] |
| entry: |
| %add = add nsw i32 %i, %j |
| %s = sext i32 %add to i64 |
| %addr1 = getelementptr inbounds i64, i64* %P1, i64 %s |
| store i64 %s, i64* %addr1 |
| %s2 = sext i32 %i to i64 |
| %addr2 = getelementptr inbounds i64, i64* %P2, i64 %s2 |
| store i64 %s2, i64* %addr2 |
| ret void |
| } |
| |
| ; Both %add1 and %add2 are promoted by forking extra sexts. |
| define void @promoteTwoTwo(i32 %i, i32 %j, i32 %k, i64* %P1, i64* %P2) { |
| ; CHECK-LABEL: @promoteTwoTwo |
| ; CHECK-LABEL:entry: |
| ; CHECK: %[[SEXT1:.*]] = sext i32 %j to i64 |
| ; CHECK: %[[SEXT2:.*]] = sext i32 %i to i64 |
| ; CHECK: %add1 = add nsw i64 %[[SEXT1]], %[[SEXT2]] |
| ; CHECK: %[[SEXT3:.*]] = sext i32 %k to i64 |
| ; CHECK: %add2 = add nsw i64 %[[SEXT1]], %[[SEXT3]] |
| entry: |
| %add1 = add nsw i32 %j, %i |
| %s = sext i32 %add1 to i64 |
| %addr1 = getelementptr inbounds i64, i64* %P1, i64 %s |
| store i64 %s, i64* %addr1 |
| %add2 = add nsw i32 %j, %k |
| %s2 = sext i32 %add2 to i64 |
| %addr2 = getelementptr inbounds i64, i64* %P2, i64 %s2 |
| store i64 %s2, i64* %addr2 |
| ret void |
| } |
| |
| define i64 @promoteGEPSunk(i1 %cond, i64* %base, i32 %i) { |
| ; CHECK-LABEL: @promoteGEPSunk |
| ; CHECK-LABEL: entry: |
| ; CHECK: %[[SEXT:.*]] = sext i32 %i to i64 |
| ; CHECK: %add = add nsw i64 %[[SEXT]], 1 |
| ; CHECK: %add2 = add nsw i64 %[[SEXT]], 2 |
| entry: |
| %add = add nsw i32 %i, 1 |
| %s = sext i32 %add to i64 |
| %addr = getelementptr inbounds i64, i64* %base, i64 %s |
| %add2 = add nsw i32 %i, 2 |
| %s2 = sext i32 %add2 to i64 |
| %addr2 = getelementptr inbounds i64, i64* %base, i64 %s2 |
| br i1 %cond, label %if.then, label %if.then2 |
| if.then: |
| %v = load i64, i64* %addr |
| %v2 = load i64, i64* %addr2 |
| %r = add i64 %v, %v2 |
| ret i64 %r |
| if.then2: |
| ret i64 0; |
| } |