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Diffstat (limited to 'llvm/test/Transforms/InstCombine/align-addr.ll')
-rw-r--r-- | llvm/test/Transforms/InstCombine/align-addr.ll | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/llvm/test/Transforms/InstCombine/align-addr.ll b/llvm/test/Transforms/InstCombine/align-addr.ll deleted file mode 100644 index d92daddd761..00000000000 --- a/llvm/test/Transforms/InstCombine/align-addr.ll +++ /dev/null @@ -1,97 +0,0 @@ -; RUN: opt < %s -instcombine -S | FileCheck %s -target datalayout = "E-p:64:64:64-p1:32:32:32-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128" - -; Instcombine should be able to prove vector alignment in the -; presence of a few mild address computation tricks. - -; CHECK-LABEL: @test0( -; CHECK: align 16 - -define void @test0(i8* %b, i64 %n, i64 %u, i64 %y) nounwind { -entry: - %c = ptrtoint i8* %b to i64 - %d = and i64 %c, -16 - %e = inttoptr i64 %d to double* - %v = mul i64 %u, 2 - %z = and i64 %y, -2 - %t1421 = icmp eq i64 %n, 0 - br i1 %t1421, label %return, label %bb - -bb: - %i = phi i64 [ %indvar.next, %bb ], [ 20, %entry ] - %j = mul i64 %i, %v - %h = add i64 %j, %z - %t8 = getelementptr double, double* %e, i64 %h - %p = bitcast double* %t8 to <2 x double>* - store <2 x double><double 0.0, double 0.0>, <2 x double>* %p, align 8 - %indvar.next = add i64 %i, 1 - %exitcond = icmp eq i64 %indvar.next, %n - br i1 %exitcond, label %return, label %bb - -return: - ret void -} - -; When we see a unaligned load from an insufficiently aligned global or -; alloca, increase the alignment of the load, turning it into an aligned load. - -; CHECK-LABEL: @test1( -; CHECK: tmp = load -; CHECK: GLOBAL{{.*}}align 16 - -@GLOBAL = internal global [4 x i32] zeroinitializer - -define <16 x i8> @test1(<2 x i64> %x) { -entry: - %tmp = load <16 x i8>, <16 x i8>* bitcast ([4 x i32]* @GLOBAL to <16 x i8>*), align 1 - ret <16 x i8> %tmp -} - -@GLOBAL_as1 = internal addrspace(1) global [4 x i32] zeroinitializer - -define <16 x i8> @test1_as1(<2 x i64> %x) { -; CHECK-LABEL: @test1_as1( -; CHECK: tmp = load -; CHECK: GLOBAL_as1{{.*}}align 16 - %tmp = load <16 x i8>, <16 x i8> addrspace(1)* bitcast ([4 x i32] addrspace(1)* @GLOBAL_as1 to <16 x i8> addrspace(1)*), align 1 - ret <16 x i8> %tmp -} - -@GLOBAL_as1_gep = internal addrspace(1) global [8 x i32] zeroinitializer - -define <16 x i8> @test1_as1_gep(<2 x i64> %x) { -; CHECK-LABEL: @test1_as1_gep( -; CHECK: tmp = load -; CHECK: GLOBAL_as1_gep{{.*}}align 16 - %tmp = load <16 x i8>, <16 x i8> addrspace(1)* bitcast (i32 addrspace(1)* getelementptr ([8 x i32], [8 x i32] addrspace(1)* @GLOBAL_as1_gep, i16 0, i16 4) to <16 x i8> addrspace(1)*), align 1 - ret <16 x i8> %tmp -} - - -; When a load or store lacks an explicit alignment, add one. - -; CHECK-LABEL: @test2( -; CHECK: load double, double* %p, align 8 -; CHECK: store double %n, double* %p, align 8 - -define double @test2(double* %p, double %n) nounwind { - %t = load double, double* %p - store double %n, double* %p - ret double %t -} - -declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i1) nounwind - -declare void @use(i8*) - -%struct.s = type { i32, i32, i32, i32 } - -define void @test3(%struct.s* sret %a4) { -; Check that the alignment is bumped up the alignment of the sret type. -; CHECK-LABEL: @test3( - %a4.cast = bitcast %struct.s* %a4 to i8* - call void @llvm.memset.p0i8.i64(i8* %a4.cast, i8 0, i64 16, i1 false) -; CHECK: call void @llvm.memset.p0i8.i64(i8* align 4 %a4.cast, i8 0, i64 16, i1 false) - call void @use(i8* %a4.cast) - ret void -} |