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author | Ulrich Weigand <ulrich.weigand@de.ibm.com> | 2013-05-06 16:17:29 +0000 |
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committer | Ulrich Weigand <ulrich.weigand@de.ibm.com> | 2013-05-06 16:17:29 +0000 |
commit | b503b49b5105b6aad7d2a015468b84b0f64dfe8e (patch) | |
tree | a60966043fae51838cb2faa08531a7ed078e4fb6 /test/CodeGen/SystemZ/int-add-01.ll | |
parent | 1d09d56fe1e3f3faadd4bf4ccf3e585ddb3c3b07 (diff) | |
download | external_llvm-b503b49b5105b6aad7d2a015468b84b0f64dfe8e.zip external_llvm-b503b49b5105b6aad7d2a015468b84b0f64dfe8e.tar.gz external_llvm-b503b49b5105b6aad7d2a015468b84b0f64dfe8e.tar.bz2 |
[SystemZ] Add CodeGen test cases
This adds all CodeGen tests for the SystemZ target.
This version of the patch incorporates feedback from a review by
Sean Silva. Thanks to all reviewers!
Patch by Richard Sandiford.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181204 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/SystemZ/int-add-01.ll')
-rw-r--r-- | test/CodeGen/SystemZ/int-add-01.ll | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/test/CodeGen/SystemZ/int-add-01.ll b/test/CodeGen/SystemZ/int-add-01.ll new file mode 100644 index 0000000..d12ac22 --- /dev/null +++ b/test/CodeGen/SystemZ/int-add-01.ll @@ -0,0 +1,131 @@ +; Test 32-bit addition in which the second operand is a sign-extended +; i16 memory value. +; +; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s + +; Check the low end of the AH range. +define i32 @f1(i32 %lhs, i16 *%src) { +; CHECK: f1: +; CHECK: ah %r2, 0(%r3) +; CHECK: br %r14 + %half = load i16 *%src + %rhs = sext i16 %half to i32 + %res = add i32 %lhs, %rhs + ret i32 %res +} + +; Check the high end of the aligned AH range. +define i32 @f2(i32 %lhs, i16 *%src) { +; CHECK: f2: +; CHECK: ah %r2, 4094(%r3) +; CHECK: br %r14 + %ptr = getelementptr i16 *%src, i64 2047 + %half = load i16 *%ptr + %rhs = sext i16 %half to i32 + %res = add i32 %lhs, %rhs + ret i32 %res +} + +; Check the next halfword up, which should use AHY instead of AH. +define i32 @f3(i32 %lhs, i16 *%src) { +; CHECK: f3: +; CHECK: ahy %r2, 4096(%r3) +; CHECK: br %r14 + %ptr = getelementptr i16 *%src, i64 2048 + %half = load i16 *%ptr + %rhs = sext i16 %half to i32 + %res = add i32 %lhs, %rhs + ret i32 %res +} + +; Check the high end of the aligned AHY range. +define i32 @f4(i32 %lhs, i16 *%src) { +; CHECK: f4: +; CHECK: ahy %r2, 524286(%r3) +; CHECK: br %r14 + %ptr = getelementptr i16 *%src, i64 262143 + %half = load i16 *%ptr + %rhs = sext i16 %half to i32 + %res = add i32 %lhs, %rhs + ret i32 %res +} + +; Check the next halfword up, which needs separate address logic. +; Other sequences besides this one would be OK. +define i32 @f5(i32 %lhs, i16 *%src) { +; CHECK: f5: +; CHECK: agfi %r3, 524288 +; CHECK: ah %r2, 0(%r3) +; CHECK: br %r14 + %ptr = getelementptr i16 *%src, i64 262144 + %half = load i16 *%ptr + %rhs = sext i16 %half to i32 + %res = add i32 %lhs, %rhs + ret i32 %res +} + +; Check the high end of the negative aligned AHY range. +define i32 @f6(i32 %lhs, i16 *%src) { +; CHECK: f6: +; CHECK: ahy %r2, -2(%r3) +; CHECK: br %r14 + %ptr = getelementptr i16 *%src, i64 -1 + %half = load i16 *%ptr + %rhs = sext i16 %half to i32 + %res = add i32 %lhs, %rhs + ret i32 %res +} + +; Check the low end of the AHY range. +define i32 @f7(i32 %lhs, i16 *%src) { +; CHECK: f7: +; CHECK: ahy %r2, -524288(%r3) +; CHECK: br %r14 + %ptr = getelementptr i16 *%src, i64 -262144 + %half = load i16 *%ptr + %rhs = sext i16 %half to i32 + %res = add i32 %lhs, %rhs + ret i32 %res +} + +; Check the next halfword down, which needs separate address logic. +; Other sequences besides this one would be OK. +define i32 @f8(i32 %lhs, i16 *%src) { +; CHECK: f8: +; CHECK: agfi %r3, -524290 +; CHECK: ah %r2, 0(%r3) +; CHECK: br %r14 + %ptr = getelementptr i16 *%src, i64 -262145 + %half = load i16 *%ptr + %rhs = sext i16 %half to i32 + %res = add i32 %lhs, %rhs + ret i32 %res +} + +; Check that AH allows an index. +define i32 @f9(i32 %lhs, i64 %src, i64 %index) { +; CHECK: f9: +; CHECK: ah %r2, 4094({{%r4,%r3|%r3,%r4}}) +; CHECK: br %r14 + %add1 = add i64 %src, %index + %add2 = add i64 %add1, 4094 + %ptr = inttoptr i64 %add2 to i16 * + %half = load i16 *%ptr + %rhs = sext i16 %half to i32 + %res = add i32 %lhs, %rhs + ret i32 %res +} + +; Check that AHY allows an index. +define i32 @f10(i32 %lhs, i64 %src, i64 %index) { +; CHECK: f10: +; CHECK: ahy %r2, 4096({{%r4,%r3|%r3,%r4}}) +; CHECK: br %r14 + %add1 = add i64 %src, %index + %add2 = add i64 %add1, 4096 + %ptr = inttoptr i64 %add2 to i16 * + %half = load i16 *%ptr + %rhs = sext i16 %half to i32 + %res = add i32 %lhs, %rhs + ret i32 %res +} |