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Diffstat (limited to 'test/CodeGen/SystemZ/trap-05.ll')
| -rw-r--r-- | test/CodeGen/SystemZ/trap-05.ll | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/test/CodeGen/SystemZ/trap-05.ll b/test/CodeGen/SystemZ/trap-05.ll deleted file mode 100644 index 7aabedbfadd3..000000000000 --- a/test/CodeGen/SystemZ/trap-05.ll +++ /dev/null @@ -1,92 +0,0 @@ -; Test load-and-trap instructions (LFHAT) -; See comments in asm-18.ll about testing high-word operations. -; -; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=zEC12 \ -; RUN: -no-integrated-as | FileCheck %s - -declare void @llvm.trap() - -; Check LAT with no displacement. -define void @f1(i32 *%ptr) { -; CHECK-LABEL: f1: -; CHECK: lfhat [[REG:%r[0-9]+]], 0(%r2) -; CHECK: stepa [[REG]] -; CHECK: br %r14 -entry: - %val = load i32, i32 *%ptr - %cmp = icmp eq i32 %val, 0 - br i1 %cmp, label %if.then, label %if.end - -if.then: ; preds = %entry - tail call void @llvm.trap() - unreachable - -if.end: ; preds = %entry - call void asm sideeffect "stepa $0", "h"(i32 %val) - ret void; -} - -; Check the high end of the LAT range. -define void @f2(i32 *%src) { -; CHECK-LABEL: f2: -; CHECK: lfhat [[REG:%r[0-9]+]], 524284(%r2) -; CHECK: stepa [[REG]] -; CHECK: br %r14 - %ptr = getelementptr i32, i32 *%src, i64 131071 - %val = load i32, i32 *%ptr - %cmp = icmp eq i32 %val, 0 - br i1 %cmp, label %if.then, label %if.end - -if.then: ; preds = %entry - tail call void @llvm.trap() - unreachable - -if.end: ; preds = %entry - call void asm sideeffect "stepa $0", "h"(i32 %val) - ret void; -} - -; Check the next word up, which needs separate address logic. -; Other sequences besides this one would be OK. -define void @f3(i32 *%src) { -; CHECK-LABEL: f3: -; CHECK: agfi %r2, 524288 -; CHECK: lfhat [[REG:%r[0-9]+]], 0(%r2) -; CHECK: stepa [[REG]] -; CHECK: br %r14 - %ptr = getelementptr i32, i32 *%src, i64 131072 - %val = load i32, i32 *%ptr - %cmp = icmp eq i32 %val, 0 - br i1 %cmp, label %if.then, label %if.end - -if.then: ; preds = %entry - tail call void @llvm.trap() - unreachable - -if.end: ; preds = %entry - call void asm sideeffect "stepa $0", "h"(i32 %val) - ret void; -} - -; Check that LAT allows an index. -define void @f4(i64 %src, i64 %index) { -; CHECK-LABEL: f4: -; CHECK: lfhat [[REG:%r[0-9]+]], 524287(%r3,%r2) -; CHECK: stepa [[REG]] -; CHECK: br %r14 - %add1 = add i64 %src, %index - %add2 = add i64 %add1, 524287 - %ptr = inttoptr i64 %add2 to i32 * - %val = load i32, i32 *%ptr - %cmp = icmp eq i32 %val, 0 - br i1 %cmp, label %if.then, label %if.end - -if.then: ; preds = %entry - tail call void @llvm.trap() - unreachable - -if.end: ; preds = %entry - call void asm sideeffect "stepa $0", "h"(i32 %val) - ret void; -} - |
